Use the laws of exponents:
xa*xb = xa+b
xa/xb = xa-b
(xa)b = xab
x-a = 1/xa
x1/a = ath root of x
[w^1 / w^-3]^-4
= [w^1 * w³]^-4
= (w1+3)^-4
= w4^-4
= 1/(w4)^4
= 1/w4*4
= 1/w16
or
= w-16
[w^1 / w^-3]^-4
= w3
? is this correct?
1 answer