Question

Evaluate the expression:

(12 −8)^2/4

(2 points)
Responses

4
4

2
2

3
3

6
6
Question 9
Evaluate the following to determine the value of n:


(43)n = 415

(2 points)
Responses

n = 12
n = 12

n = 5
n = 5

n = 4
n = 4

n = 11

Answer 1

1) (12 − 8)^2 / 4 = 4^2 / 4 = 16 / 4 = 4.

2) (4^3)^n = 4^15 ⇒ 4^(3n) = 4^15 ⇒ 3n = 15 ⇒ n = 5.