Jacki evaluated the expression below

2^3 (3-1) + 4 (8-12)

2^3 (2) + 4 (4)

8 (2) + 16

16+16

32

What was Jacki's error?

A. Jacki should have simplified the exponent first.

B. Jacki should have multiplied 4 and 8 first.

C. Jacki should have multiplied 4 and 8 first.

D. Jacki should have multiplied 4 and 8 first.

Question

Reuben Sloan

Mathematics

6 August, 13:17

Jacki evaluated the expression below

2^3 (3-1) + 4 (8-12)

2^3 (2) + 4 (4)

8 (2) + 16

16+16

32

What was Jacki's error?

A. Jacki should have simplified the exponent first.

B. Jacki should have multiplied 4 and 8 first.

C. Jacki should have multiplied 4 and 8 first.

D. Jacki should have multiplied 4 and 8 first.

+3

Answers (1)

Know the Answer?

Atticus Medina · Answer 1

None of the answer above is right,

Jackie made an error where 8-12=-4 instead he wrote 4

so the actual answer is 0 as,

2^3 (3-1) + 4 (8-12)

2^3 (2) + 4 (-4)

8 (2) - 16

16-16

0