Answers

2016-03-18T20:15:53+05:30
Log100 is Rational.
log100=log₁₀100=log₁₀10²=2log₁₀10=2(1)=2
As 2 is a rational number ,log100 is also rational.
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2016-03-18T20:18:45+05:30
Log 100 =x
10sq=10 x (power x)
x=2 
there fore it is rational
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