(-0.125)的5次方×4^10
人气:492 ℃ 时间:2020-03-22 11:15:59
解答
(-0.125)的5次方×4^10
=[(-2)^(-3)]^5×(2²)^10
=-2^(-15)×2^20
=-2^(20-15)
=-2^5
=-32
推荐
猜你喜欢
- ABB型叠词
- 设向量x为n维列向量,x^t*x=1,令a=e-2x*x^t,证明a是正交矩阵
- 初二第三单元总结,轴对称,旋转和平移的不同与相同
- 设a,b属于R,集合{1,a+b,a}={0,b/a,b},则ab等于:
- 0.2-0.1x\0.3-0.3X-1\0.2+5=X-1
- 帮把一个句子改成否定句,疑问句和按照划线部分提问.
- When they are happy,they'd like to tell their friends.And they also like to talk to their
- 我听说新加坡有许多人说汉语的英文I _ that many people in Singapore_chinese