Simplify (256)−12.
116
14
4
16
We know that (am)n=amn . (256)−12=(28)−12 (Since 256=2×2×2×2×2×2×2×2=28 ) =2(8×(−12)) =2−4 =116
Simplify 4(216)−2/3+1(256)−3/4+2(243)−1/5