Question

Evaluate [(21 + 6) − 3^2] ÷ 9 ⋅ 2.

Answer 1

[(21 + 6) − 3^2] ÷ 9 ⋅ 2=[(27) − 9] ÷ 9 ⋅ 2
=18 ÷ 9 ⋅ 2
= 2 . 2
= 4

Answer 2

[(21 + 6) − 3^2] ÷ 9 ⋅ 2

= [27 − 3^2] ÷ 9 ⋅ 2

= [27 − 9] ÷ 9 ⋅ 2

= 18 ÷ 9 ⋅ 2

= 2 ⋅ 2

= 4

Hope it helps!