-5×1/2×1/2×1/2×1/2=____(改写乘方形式)

问题描述:

-5×1/2×1/2×1/2×1/2=____(改写乘方形式)

原式=-5*(1/2)^4=-5/16那谁是指数?谁是底数啊?指数是4,底数是1/2