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Use the order of operations to simplify the following expression.

9 + - 4 × 2

41
10
28
90

Sagot :

The answer I keep getting is 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