Question

write an expression that is equivalent to 8(a + 5).
8(a + 5) = 8·a + 8·5 \t\t\t\t\t distributive property
\t= 8 a + □
order of operations
1 evaluate inside parentheses.
2 multiply or divide.
3 add or subtract.
an error has occurred. please enter a number.

Explanation:

Step1: Calculate \(8 \cdot 5\)

We know that \(8\times5 = 40\).

Step2: Substitute the result

From the expression \(8\cdot a + 8\cdot5\), after calculating \(8\cdot5 = 40\), the expression becomes \(8a + 40\). So the value in the box should be \(40\).

Answer:

\(40\)