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(123) 1/3 ≈? a)4.97 b)4.79 c)4.89 d)4.98 Plz explain..

(123)1/3≈?


a)4.97


b)4.79


c)4.89


d)4.98


Plz explain..

Grade:12

1 Answers

bhanu p
15 Points
11 years ago

Let X = (123)1/3  , now taking log on both sides we have logX = log(123)1/3

=> logX = 1/3(log123) = 1/3(2.0899) = 0.6966 => X = antilog(0.6966) = 4.973

therefore, (123)1/3 ~ 4.973 

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