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According to the laws of exponents, the square root of m3 is equal to m(3 x 0.5) - that is, m1.5. Taking an example, m equals 3, rounded to five decimal places, the principal root of 3 cubed, that is, 27, is 5.19615.
You can prove this by testing the sum m1.5, which, for the value m=3, rounded to five decimal places, comes out to 5.19615.
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Earn +20 ptsQ: What is the square root of m cubed?
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