what is the last digit of 2^123 + 3^45? (hint: find the pattern for each number separately before combining)?

Elementary Algebra
17th Edition
ISBN:9780998625713
Author:Lynn Marecek, MaryAnne Anthony-Smith
Publisher:Lynn Marecek, MaryAnne Anthony-Smith
Chapter6: Polynomials
Section6.7: Integer Exponents And Scientific Notation
Problem 577E: The probability of winning the 2010 Megamillions lottery was about 0.0000000057. Write the number in...
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what is the last digit of 2^123 + 3^45? (hint: find the pattern for each number separately before combining)?

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