# Chapter 1 - Introduction to Algebraic Expressions - 1.8 Exponential Notation and Order of Operations - 1.8 Exercise Set: 53

$1291$

#### Work Step by Step

Using order of operations, the given expression, $13(-10)^2+45\div(-5)$, evaluates to \begin{array}{l} 13(100)+(-9) \\\\= 1300-9 \\\\= 1291 .\end{array}

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