Question

Evaluate the expression if b = 3.
12 (63 -1)
6=3
2

Answer 1

13

Explanation:

Replace b with 3, then multiply 3^3 get the answer then subtract by 1, last multiply what u got from the paranthesis by 1/2

Answer 2

1/2(3^3-1)

1/2(27-1)

1/2(26)

13