There are exactly 60 seconds in a minute, exactly 60 minutes in an hour, exactly 24 hours in a mean solar day, and 365.24 solar days in a solar year. How many seconds are in a solar year? Give your answer with the correct number of significant figures.

Q: The width, length and height of a large crate are as follows: 1.22 m, 3.22 m and 0.83 m.,…

A: Given is, The width, length and height of a large crate are as follows: 1.22 m, 3.22 m and 0.83 m.

Q: Which numbers are exact (and therefore have an unlimited numberof significant figures)?a. p = 3.14b.…

A: Which numbers are exact (and therefore have an unlimited number of significant figures)? a. p =…

Q: When 33.911 is added to 82.649, the result should be reported with digit(s) after the decimal point.…

A: While subtraction or addition, the number of decimal places in the result are same as the…

Q: If I have a measurement of a diameter using a ruler with increments in mm: 1.70cm diameter then…

A: For multiplication and division: The least of significant figures in any number of the question…

Q: If a tiny marble has a radius of 0.25 mm, how many marbles can be lined up across the circumference…

A: Convert the circumference of the earth in millimetres.

Q: Which one of the following is the longest length? (1 ft = 12 in, 1 in = 2.54 cm) 3.2 m, 145 in,…

A: The given values are in different units. First all the values have to be converted into one single…

Q: Perform the following mathematical operations, and express the result to the correct number of…

A: Since you have posted question with multiple sub-parts, we are entitled to answer the first 3 only.…

Q: In a recent Grand Prix, the winner completed the race with an average speed of 229.8 km/h. What was…

A:

Q: Determine the volume of a cube that has a length, a width and a height equal to 2.30 cm, 1.80 cm and…

A: It is given that:Length = 2.30 cmWidth = 1.80 cmHeight = 2.20 cm

Q: Rolls of foil are 303 mm wide and 0.016 mm thick. (The density of foil is 2.7 g/cm³ .) What maximum…

A:

Q: Perform the following calculations and be sure to report your answer using correct number of…

A: Solution In chemistry, vital figures ar the digits important that carry that means towards the…

Q: A cheetah ran 1000.0 meters in 33.27 seconds, how fast is it running in miles per hour (MPH)? Note:…

A: Given information: 1 miles = 1.609 km              = 1609 m 1 hour = 3600 sec

Q: Determining the Number of Significant Figures in a Calculated QuantityThe width, length, and height…

A: Width of the box (b) = 15.5 cm Length of the box (l) = 27.3 cm Height of the box (h) = 5.4 cm Volume…

Q: Fill in the blanks with the correct answer: 1-The answer rounded to the correct number of…

A: Note:-     Since you have asked multiple question, we will solve the first question for you. If you…

Q: A chemistry student needs 45.0 mL of diethmylamine for an experiment. By consulting  the CRC…

A: Given,Volume of diethylamine = 45.0 mL = 45.0 cm3         (1mL = 1cm3)Density of diethylamine =…

Q: If a tiny marble has a radius of 0.25mm, how many marbles can be lined up across the circumference…

A:

Q: Perform the following set of operations and choose the alternative that expresses the result to the…

A: • The given expression is,        (1.5 × 10-4 * 61.3 ) + 2.01     • We need to write the result of…

Q: In determining the density of olive oil (see Table 2.2), one student took exactly 25.00 mL and found…

A: (Note: Table 2.2 is not posted in the question. Densities are calculated based on the given data.)…

Q: An ounce of aluminum has a mass of 28.4 g, and an ounce of silver weighs 31.1 g. Which is heavier:…

A: An ounce of aluminum has mass = 28.4 gAn ounce of silver has mass = 31.1 g

Q: A bakery measured the mass of a whole cake as 0.870 kg. A customer bought one slice of the cake and…

A: Rule for Significant figures (SF) in mathematical operations:(1) Addition and Substraction round by…

Q: What is the circumference in kilometers (km)? in meters (m) (1 mi = 1.6093 km)

A:

Q: The beakers shown below have different precisions. a. Label the amount of water in each of the three…

A: Three different beakers are shown in the picture with different precision.

Q: If a bullet travels at 531.0 m/s, what is its speed in miles per hour?

A: Given : Speed in m/s = 531.0 m/s

Q: perform the following calculation, reporting your answer to the correct number of significant…

A: Significant figures of a number are  necessary to indicate the quantity of something. It is also…

Q: "A metal with a mass of 107.1g was placed into a graduated cylinder and completely submerged. The…

A: It is known that the density is the mass per unit of volume. Density = MassVolume d = mV

Q: Carry out the following mathematical operations, and give each result to the correct number of…

A: "Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: The weight of a metal sphere was measured to be 9.81 g. Unfortunately, the caliper that was supposed…

A: Given : weight of a metal sphere = 9.81 g  Density = 7.26 g/cm3 To find : Radius of metal surface…

Q: A sprinter set a high school record in track and field, running 200.0 m in 21.3 s. What is the…

A: We have to calculate the speed in km/hr .

Q: Carry out the following operations and express the answer with the appropriate number of significant…

A: For multiplication and division: Check the LEAST number of significant figures. For addition and…

Q: How many seconds are there in 3.7 years? (Use 365 days/year) (You do not need to put in your units &…

A: The given time in the year is = 3.7 years The time in second is =?

Q: The following values are part of a set of experimental data: 34.7cm and 19.65mm. How many…

A:

Q: The distance between two cities is 1500 kmkm. How long will it take, in hours, to drive from one…

A:

Q: perform the following calculation, reporting your answer to the correct number of significant…

A: The numbers in a given value which are significant to the true value is known as significant…

Q: This question is designed to ensure that you are using your calculator correctly. Use a calculator…

A: Significant Figures - It basically tells us how many digits are reliable and absolutely necessary in…

Q: For each of the following numbers, determine the number ofsignificant figures it contains, rewrite…

A: (a) 3.050 × 10–4 can be written without scientific notation as 3.050/104 =0.0003050 has four…

Q: Explain significant figures and decimal places in Chemistry

A: Rules for significant figures:   1.  All non zero digits are significant. Ex: 1, 2, 3, 4, 5, 6, ---…

Q: The world record for the hundred meter dash is 9.58 s. What is the corresponding average speed in…

A:

Q: Suppose you are trying to find the volume of a box based on the given measurements for the length,…

A: According to the rule for significant digits in addition and subtraction, the number of significant…

Q: The speed of light is (2.998e8m/s) How far does light travel in 9.0μs? Set the math up. But don't do…

A: Given,Speed of light = 2.998 × 108 m/sTime = 9.0 μsFirstly, let us convert 9.0 μs to s using…

Q: The width, length, and height of a small box are 15.5, 27.3, and 5.4 cm, respectively. Calculate the…

A: Given information: Length = 27.3 cm Breadth = 15.5 cm Height = 5.4 cm

Q: Problem attached

A: a) 137.20 b) 1472.89 c) 3560.06

Q: Perform the following arithmetic operations, and report the result to the proper number of…

A: Significant figure can be defined as the total number of the digits present in a number including…

Q: Express the following numbers as decimals:(a) 1.52 × 10−2 , (b) 7.78 × 10−8 , (c) 1 × 10−6, (d)…

A: Given numbers   Numbers Part(a) 1.52×10-2 Part(b) 7.78×10-8 Part(c) 1×10-6 Part(d)…

Q: Do the following calculation of measured masses from an experiment: 5.656 g + 168.435 g + 75.657 g…

A: Ans  5.656 g + 168.435 g + 75.657 g = 200.404 Value will be till six significant value

Q: (2.241 mm )(2.8 mm ) Complete the operation and express the answer with the appropriate number of…

A: The operation expressed and the appropriate number of significant figures:Unit same for both values…

Q: What is the speed of light in miles per hour? Express your answer in scientific notation. The speed…

A: The speed of light = 299,792,458 m/ s

Q: If the density of baking soda is 2.1 g/mL, how many grams of baking soda are present in 5.0 mL (the…

A: the product must contain 2 significant figure as bot of the multiplicand have 2 significant figure

Q: Perform the following calculation and round the answer to the correct number of significant figures.…

A: Step 1  (2.170cm x 3.88cm) = 8.4196cm 8.4196cm + 1.80cm = 10.2196cm So, the significant figure is =…

Q: A chemistry student needs 35.0 mL of dimethyl sulfoxide for an experiment. By consulting the CRC…

A: Given, volume of dimethyl sulfoxide = 35.0 mL  1 cm3 = 1 mL  35.0 cm3 = 35.0 mL  Density of dimethyl…

Q: Calculate the density of mercury if 1.00 * 102 g occupies a volume of 7.36 cm3.

A: Density of a substance is equal to the mass of substance divided by its volume. Write the expression…

Matter and Measurement

In the universe, there is matter, energy, and void space. The universe contains energy and void space. The definition of matter can be considered as something which possesses mass and consumes space. Chemistry is that branch of science which deals with the study of matter. Under chemistry, nature, composition, and the changes occurring to matter are discussed.