Answer
a) $x^7$
b) 8$y^6$
c) $y^5$
Work Step by Step
a) $x^3$$x^4$ = $x^7$
b) $(2$y^2$)^{3}$= $2^3$$y^{2\times3}$ = 8$y^6$
c) $y^{-2}$$y^7$= $y^{-2+7}$ = $y^5$
Precalculus: Mathematics for Calculus, 7th Edition
by Stewart, James; Redlin, Lothar; Watson, Saleem
Published by
Brooks Cole
ISBN 10:
1305071751
ISBN 13:
978-1-30507-175-9
Chapter 1 - Section 1.2 - Exponents and Radicals - 1.2 Exercises - Page 22: 29
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