Question

Evaluate b^2c^-1 for b=8 and c=-4

Answer 1

When evaluating b^2c^-1 for b=8 and c=4, the answer is -16

E = b^2c–1
x-a = 1/xa

E = b^2c - 1
= 8^2 x (-4)-1
= 64/-4
= -16