Question

What is the value of x y 320
for x = 2, y = -4 and z = -2 ?
1 / 1
0 -1
O 1

Answer 1

1/2

Explanation:

anything raised to the power of zero equals 1

2^5 · (-4)^-3 · (-2)^0

32 · 1/64 = 32/64 = 1/2