CBSE Class 8 Answered
Evaluate: i. √−2744 3 ÷ √0.008 3
Asked by tharundab | 05 Oct, 2020, 08:26: AM
Expert Answer
To find (−2744)1/3 ÷ (0.008)1/3
Cube root a negative number is negative because cube of a negative number is a negative number
As 143 = 2744, so cube root of (-2744) = -14
As 0.23 = 0.008, so cube root os 0.008 = 0.2
(−2744)1/3 ÷ (0.008)1/3 = (-14)/(0.2) = -70
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