(-2)^8×25^5
=2^8×5^10
=(2×5)^8×5^2
=25×10^8
=2.5×10^9
明教为您解答,
请点击[满意答案];如若您有不满意之处,请指出,我一定改正!
希望还您一个正确答复!
祝您学业进步!不明白，我是快上初一的小孩(-2)的8次方*25的5次方
=(-2)×(-2)..(-2)×25×25×25×25×25
=(-2)×(-2)..(-2)×5×5×5×5×5×5×5×5×5×5
=(-2×5)×(-2×5)×(-2×5)..×(-2×5)×5×5
=(-10)×(-10)..×(-10)×25
=2500000000