Question

Use the order of operations to simplify the following expression.

9 + - 4 × 2

41
10
28
90

Answer 1

so
9 + √ 81 which is 9
= 9 + 9
= 18
18 - 4 x 2
4 x 2 = 8
= 18 - 8
therefore
9 + √81 - 4 × 2
= 10
answer is 10

Answer 2

The answer I keep getting is 1