bantu y? fengan jalan

cttn a^-n = 1/a^n, 1/a^-n = a^n


(1/2^-3)^2: (1/2)^4 = (2^3)^2:(1/2)^4 = 2^6: (1/2)^4 = 64: 1/16 = 64x16/1 = 1024