# Chapter 4 - Polynomials - 4.1 Exponents and Their Properties - 4.1 Exercise Set - Page 236: 49

$1$

#### Work Step by Step

Substituting $t$ with $15$, then the given expression, $t^0$, simplifies to \begin{array}{l}\require{cancel} 15^0 \\\\= 1 .\end{array}

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