# Chapter R - Elementary Algebra Review - R.4 Polynomials - R.4 Exercise Set - Page 961: 4

$7$

#### Work Step by Step

Any expression (except $0$) raised to zero is equal to $1$. Hence, the given expression, $8^1-8^0 ,$ simplifies to \begin{array}{l}\require{cancel} 8-1 \\\\= 7 \end{array}

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