Q.

The 100th root of 10(10) 10 is:


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a

10(8) 10

b

10(10) 8

c

10(10) 8

d

10(1010)  

answer is B.

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Detailed Solution

Concept- Let the required value is x. If we multiply x for 100 times we will get 10(10) 10. All we need to do is form an equation that can suffice with the question and yield us an answer.
Let the number is x.
Therefore the 100th root of 10(10) 10is x.
That means if we multiply x for 100 times we will get 10(10) 10.
Or we can say if we take x to the power 100 we will get 10(10) 10.
Hence,  x100=10(10) 10 From this equation we have to find out the value of xx.
Therefore we have,
x100=10(10) 10
x=(10(10) 10) 1100 x=10101010×10 x=10101010×10 x=101010102 x=1010-2 x=108 Therefore, the 100th root of 10(10) 10 is 10(10) 8.
Hence, option (2) is correct.
 
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