Answer
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Work Step by Step
An exponent represents repeated multiplication, so if exponents of the same base are multiplied, the exponents can be added.
$x^4\times x^3=(x\times x\times x\times x)\times (x\times x\times x)=x^7$
Prealgebra (7th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321955048
ISBN 13:
978-0-32195-504-3
Chapter 10 - Section 10.2 - Multiplication Properties of Exponents - Vocabulary, Readiness & Video Check - Page 710: 2
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