what is 32^-3/5, thanks?

2008-08-27 10:33 am

回答 (8)

2008-08-27 10:49 am
✔ 最佳答案
32^1/5= 2 2^3=8 8^-1=0.125
2008-08-27 5:39 pm
0.125= 1/8
2008-08-27 6:12 pm
32^(-3/5)
= ⁵√(1/32³)
= ⁵√[1/(2³ x 2³ x 2³ x 2³ x 2³)]
= 1/2³
= 1/8 (0.125)
2008-08-27 5:40 pm
reciprocal of (fifth root of 32), cubed
reciprocal of (2), cubed
reciprocal of 8
=1/8



2008-08-27 5:38 pm
32 = 2^5

2^(5*-3/5) = 2^ -3 = 1/2^3 = 1/8 = 0.125
2008-08-27 5:36 pm
0.125
2008-08-27 5:54 pm
1 / 32^(3/5)
1 / 2 ³
1 / 8
2008-08-27 5:39 pm
First you find the negative 5th root of 32 w/c is -2 then, cube -2
w/c will give you 8
== (-32)^-1/5 * 3
== (-2)^3
== -8


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