计算:(0.5)的61次方乘(-4)的30次方

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楼主你好(0.5)^61*(-4)^30
=(0.5)^30*(-4)^30*(0.5)^31
=2^30*(0.5)^30*0.5
=0.5望采纳~======以下答案可供参考======
供参考答案1:
(0.5)^61 * (-4)^30
=(1/2)^61 * (-1)^30 * (2²)^30
=(1/2)^60 * 1/2 * 2^60
=1/2供参考答案2:
(0.5)^61*(-4)^30
=(1/2)^61*2^60
=(1/2)^60*2^60*(1/2)
=(2*1/2)^60*(1/2)
=1/2供参考答案3:
=========================0.5