# Chapter 1 - Section 1.2 - Exponents and Radicals - 1.2 Exercises: 30

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}$ = $x^{4-3}$ = $x^1$ =$x$

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