Answer
See the explanation below.
Work Step by Step
a) $b^4 \cdot b^3= b^{4+3}=b^7$
b) $b^5 \cdot b^5= b^{5+5}=b^{10}$
c) When the bases of the exponents are same in multiplication then add exponents.
Intermediate Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-894-7
ISBN 13:
978-0-13417-894-3
Chapter 1 - Section 1.5 - Problem Solving and Using Formulas - Exercise Set - Page 69: 99
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