Basic College Mathematics (9th Edition)

Published by Pearson
ISBN 10: 0321825535
ISBN 13: 978-0-32182-553-7

Chapter 2 - Multiplying and Dividing Fractions - Test: 7

Answer

$3^{2}$ * 5

Work Step by Step

45 Try to divide 45 by the prime number 3 45 $\div$ 3 = 15 So 15 * 3 =45 Now again divide 15 by the prime number 3 15 $\div$ 3 = 5 45 = 3 *3 * 5 Because all the factors are prime. So the prime factorization of 45 is 3 *3 * 5 = $3^{2}$ * 5
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