(-0.125)的5次方乘以2的18次方等于多少?

请写出过程谢谢
2025-05-20 21:13:20
推荐回答(2个)
回答1:

(-0.125)^5×2^18
=(-1/8)^5×2^18
=-(1/2^15)×2^18
=-2^3
=-8

回答2:

=(-0.125) ^5×(2^3)^6
=(-0.125) ^5×8^6
=(-0.125) ^5×8^5×8
=[(-0.125) ×8]^5×8
=(-1)×8
=-8