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ICSE Class 8 Answered

Evaluate:

0.012×10^-41÷0.003×10^-46

Asked by Cl_narayan | 19 Jun, 2019, 04:40: PM
Expert Answer
begin mathsize 16px style 0.012 space cross times space 10 to the power of negative 41 end exponent divided by 0.003 space cross times 10 to the power of negative 46 end exponent
equals space 12 over 1000 cross times 1 over 10 to the power of 41 space divided by 3 over 1000 cross times 1 over 10 to the power of 41
equals space space fraction numerator 12 over denominator 1000 cross times 10 to the power of 41 end fraction divided by fraction numerator 3 over denominator 1000 cross times 10 to the power of 41 end fraction
equals space fraction numerator 12 over denominator 1000 cross times 10 to the power of 41 end fraction space cross times space fraction numerator 1000 cross times 10 to the power of 41 over denominator 3 end fraction space
equals space 12 over 3
equals space 4
end style
Answered by Yasmeen Khan | 19 Jun, 2019, 05:47: PM

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