Simplify and rationalize: cubed radical 7/10?

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Simplify and rationalize: cubed radical 7/10?

7/10 is a fraction inside a cubed radical. im confused can anyone help? thank you

2007-04-17 06:09:18 · 5 answers · asked by ♥♪ Zee ☆♫ 4 in Science & Mathematics ➔ Mathematics

5 answers

[√(7/10)]³

= [√7/√10]³

= [√7/√10 * √10/√10]³

= [√70/10]³

= (7√70) / 100

* What I have above is the simplest answer because √70 can't be simplified.

2007-04-17 06:15:27 · answer #1 · answered by عبد الله (ドラゴン) 5 · 0⤊ 0⤋

2016-05-17 08:50:59 · answer #2 · answered by Anonymous · 0⤊ 0⤋

(7/10)^(1/3) can not be simplified.

2007-04-17 06:23:21 · answer #3 · answered by fcas80 7 · 0⤊ 0⤋

I think you mean [sqrt(7/10)]^3. If so,
[(7/10)^1/2]^3 = (.7)^3/2 = sqrt(.7^3) = sqrt(.343)

2007-04-17 06:24:22 · answer #4 · answered by ironduke8159 7 · 0⤊ 0⤋

can u be more clear

2007-04-17 06:15:17 · answer #5 · answered by Harsh 2 · 0⤊ 0⤋