Question

If b = 7, what is the value of the expression 2(10 – b)?

Answer 1

6

Explanation:

Order of operations

PEMDAS

Parenthesis

Exponent

Multiply

Divide

Add

Subtract

`2(10-b)`

`2(10-7)`

First, do parenthesis.

`2(10-7)`

`10-7=3`

`2(3)`

Then, multiply to find the answer.

`2*3=6`

6 is the correct answer.

Answer 2

6

Explanation:

10-7=3

2*3=6