## Algebra 1: Common Core (15th Edition)

Published by Prentice Hall

# Chapter 7 - Exponents and Exponential Functions - 7-2 Multiplying Powers With the Same Base - Practice and Problem-Solving Exercises - Page 430: 39

The answer is 2.7$\times$$10^{-8} #### Work Step by Step (9\times$$10^{7}$)(3$\times$$10^{-16}) = (27\times$$10^{7-16}$) = 27$\times$$10^{-9} = 2.7\times$$10^{-9+1}$ = 2.7$\times$$10^{-8}$

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