Given the numbers 3.75\times10^{-7},3 \frac{3}{4}\times10^{-7},375\times10^{-9} and \frac{3}{8}\times10^{-7} Which of these is not equal to 0.000000375?

CTET 2 Math and Science Jan 2012 Paper

Question : 60 of 120

Marks: +1, -0

Given the numbers

3.75×10^{-7},3\;\;{3}/{4}×10^{-7},375×10^{-9}

and

\;\;{3}/{8}×10^{-7}

Which of these is not equal to 0.000000375?

Solution:

0.000000375=375×10^{-9}=3.75×10^{-7}

3\;\;{3}/{4}×10^{-7}=\;\;{15}/{4}×10^{-7}=3.75×10^{-7}

\;\;{3}/{8}×10^{-7}≠3.75×10^{-7}

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