Question

Sandy evaluated the expression below

What was Sandy’s er ror?
Sandy should have evaluated (-2)³ as –8.
Sandy should have not multiplied 5 and 5.
Sandy did not add 2 and 3 correctly.
Sandy should have not subtracted 3 from 6 first.

Answer 1

Answer: a

Explanation:

Answer 2

Sandy should have evaluated (-2)³ as -8

Explanation:

(-2)³ (6 - 3) - 5(2 + 3) = -8 · 3 - 5 · 5 = - 24 - 25 = - 49

Because:

(-2) · (-2) · (-2) = 4 · (-2) = - 8

God with you!!!