Question

find the value of the expression 13 × (w - 79) for w = 81.

Explanation:

Step1: Substitute w = 81 into the expression

We replace \( w \) with 81 in \( 13\times(w - 79) \), so we get \( 13\times(81 - 79) \).

Step2: Calculate the value inside the parentheses

First, calculate \( 81 - 79 = 2 \). Now the expression becomes \( 13\times2 \).

Step3: Multiply the two numbers

Calculate \( 13\times2 = 26 \).

Answer:

26