Question

Evaluate each expression if r = –7, s = 4, and t = –8.

3st
a.
–84
c.
–96
b.
96
d.
168

Answer 1

3st = 3 * 4 * -8

= 3 * -32

= -96

Answer 2

3x4x-8
12x-8
-96
therefore the answer is-96