3. Leah is working on the multiplication problem 2.43 X 0.148. Ignoring the decimal points, Leah multiplies 243 x 148 and gets the answer 35,964. But Leah can't remember the rule about where to put the decimal point in this answer to get the cor- rect answer to 2.43 × 0.148. Explain how Leah can use reasoning about the sizes of the numbers to determine where to put the decimal point.

Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter4: Polynomials
Section: Chapter Questions
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3. Leah is working on the multiplication problem
2.43 X 0.148. Ignoring the decimal points, Leah
multiplies 243 x 148 and gets the answer 35,964.
But Leah can't remember the rule about where to
put the decimal point in this answer to get the cor-
rect answer to 2.43 × 0.148. Explain how Leah can
use reasoning about the sizes of the numbers to
determine where to put the decimal point.
Transcribed Image Text:3. Leah is working on the multiplication problem 2.43 X 0.148. Ignoring the decimal points, Leah multiplies 243 x 148 and gets the answer 35,964. But Leah can't remember the rule about where to put the decimal point in this answer to get the cor- rect answer to 2.43 × 0.148. Explain how Leah can use reasoning about the sizes of the numbers to determine where to put the decimal point.
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