(2d^3e^2)^5=
(2xy^2)^4=
(3^6)5=
(125^5)^-1=
7^-2=
(b^3)-0=
(xy^3)^-2=
(a^3b^-7)^2=
(a^0)^-2=
答案唔要以指數表示,,((數字果d答案)) 例如:10^3x10^5=10^3+5=10^8=100000000
指數定律 f.3
2008-01-11 2:46 am
回答 (1)
2008-01-11 3:02 am
✔ 最佳答案
(2d^3e^2)^5=32d^15e^10(2xy^2)^4=16x^4y^8
(3^6)5=3^30=2.06X10^14
(125^5)^-1=1/125^5=1/(3.05X10^10)
7^-2=1/(7^2)=1/49
(b^3)-0=b^3 [若是(b^3)^0=1]
(xy^3)^-2=1/(x^2y^6)
(a^3b^-7)^2=a^6/b^14
(a^0)^-2=1^-2=1
收錄日期: 2021-04-12 14:37:16
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20080110000051KK03028