Intermediate Algebra (6th Edition)

Published by Pearson
ISBN 10: 0321785045
ISBN 13: 978-0-32178-504-6

Chapter 5 - Section 5.1 - Exponents and Scientific Notation - Exercise Set: 99

Answer

$3.125\times10^{7}$

Work Step by Step

We are given the number $31,250,000$. Step 1: To write this number in scientific notation, we move the decimal point to the left until the original number is 3.125. Step 2: Since the original number was greater than 10, we moved the decimal by 7 positive places. In other words, we will raise 10 to a power of 7. Now, we write the product of the two numbers found in Step 1 and Step 2. $3.125\times10^{7}$
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