Chapter 4, Problem 5QC

To determine

To evaluate: $-11\left(-8\right)$

Answer to Problem 5QC

  $88$

Explanation of Solution

Given information:

  $-11\left(-8\right)$

Calculation:

We know product of numbers with same sign is always positive and product of numbers with opposite sign is always negative.

Product of the given expression can be calculated as shown:

  $-11\left(-8\right)=88\mathrm{...}\left[(-)·(-)=(+)\right]$