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question mark

(123)1/3≈?

a)4.97

b)4.79

c)4.89

d)4.98

Plz explain..

Chilukuri Sai Kartik , 14 Years ago
Grade 12
anser 1 Answers
bhanu p

Last Activity: 14 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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