Question

(2^-3-2^-4) (2-^-3+2^-4)

Answer 1

(1/8-1/16)(1/8+1/16)=(2-1/16)(2+1/16)=(1/16)(3/16)=3/256

Answer 2

(1/8-1/16)(1/8+1/16)
(1/16)(3/16)
3/256 answer