# Chapter 1 - Introduction to Algebraic Expressions - 1.7 Multiplication and Division of Real Numbers - 1.7 Exercise Set - Page 58: 51

$0$

#### Work Step by Step

Any expression multiplied by zero is equal to $0$. Since the given expression, $(-31)\cdot(-27)\cdot0\cdot(-13)$, involves a factor of zero, then the given expression is equal to $0$.

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