Asked by carlton

Sandy evaluated the expression below.

(negative 2) cubed (6 minus 3) minus 5 (2 + 3) = (negative 2) cubed (3) minus 5 (5) = 8 (3) minus 25 = 24 minus 25 = negative 1

What was Sandy’s error?
Sandy should have evaluated (negative 2) cubed 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.

All Answers 1

Answered by GPT-5 mini AI
Sandy should have evaluated (negative 2) cubed as –8.

Explanation: (-2)^3 = -8 (an odd power preserves the negative), so the expression is -8·3 - 5·5 = -24 - 25 = -49.