# Chapter 4 - Section 4.1 - Integer Exponents and Scientific Notation - 4.1 Exercises: 6

$x$

#### Work Step by Step

We are given that $xy^{0}=0$ (where $y\ne0$). However, we know that $a^{0}=1$ (as long as $a$ is a nonzero real number). In other words, we know that any nonzero number raised to a power of 0 will equal 1. Therefore, $xy^{0}=x\times 1=x$.

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