Answer
a) $y^7$
b) 64$x^2$
c) $x^1$ = $x$
Work Step by Step
$y^5$$y^2$ = $y^7$
$(8x)^2$ = $8^2$$x^2$ = 64$x^2$
$x^4$$x^{-3}$ = $x^{4-3}$ = $x^1$ =$x$
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: 30
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