# Chapter 4 - Polynomials - 4.1 Exponents and Their Properties - 4.1 Exercise Set - Page 237: 105

$y^{6x}$

#### Work Step by Step

Using the laws of exponents, the given expression $y^{4x}\cdot y^{2x}$ simplifies to \begin{array}{l}\require{cancel} y^{4x+2x} \\\\= y^{6x} .\end{array}

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