math
posted by josh on .
For the next three problems, evaluate each expression if x = −2, y = 4, and z = −3.
(4 − 2x)−2
(y − z)−3
(x − 5y)0

(42(2))2 = (4(4)) = 4+4) = 8
(4(3))3 = (4+3)3 = 4+33 = 4
(25(4))0 = 0
(anything times 0 = 0)