evaluate and express as a fraction?
回答 (4)
2009-03-02 2:16 pm
✔ 最佳答案
(16/81)^3/4=4*sqrt(16/81)^3
=4*sqrt(4096/531441)
=8/27 answer//
2009-03-02 2:17 pm
(16/81)^(3/4)
= ⁴â[(16/81)^3]
= ⁴â[(2^4/3^4)^3]
= (2/3)^3
= 8/27
= ⁴â[(16/81)^3]
= ⁴â[(2^4/3^4)^3]
= (2/3)^3
= 8/27
2009-03-02 2:23 pm
(2/3)^4(*3/4)
(2/3)^3
=(8/27)
(2/3)^3
=(8/27)
2009-03-02 2:17 pm
when something is raised to a fraction, the denominator is the root, and the numerator is the exponent.
16^1/2
is the same as sqrt16
which is 4
16^1/2
is the same as sqrt16
which is 4
收錄日期: 2021-05-01 12:11:39
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20090302060838AAIBcJR