Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 7 - Exponents and Exponential Functions - Get Ready!: 2

Answer

6.4

Work Step by Step

We first only consider the fraction. In order to write a fraction as a decimal, we create a denominator of 100, if possible. Thus, we multiply 2/5 by 20/20 to get that the fraction is the same as 40/100. Anything divided by 100 equals that number with the decimal moved two to the left, so we know that this fraction in decimal form is .4. We add back the 6 to get an answer of 6.4.
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