2^100*(1/2)^103=?
问题描述:
2^100*(1/2)^103=?
答
1/8
答
=2^99^103
答
2^100×(1/2)^103
=2^100×(1/2)^100×(1/2)^3
=(2×1/2)^100×(1/2)^3
=1×1/8
=1/8