Physics Calculator

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October 20th 2012, 10:07 AM
Louisana1

Physics Calculator

Need help putting this in my scientific calculator (6.67x10^-11)(20)(20)/(0.5)^{2

what is the answer}
October 20th 2012, 11:56 AM
MarkFL

Re: Physics Calculator

You could simplify it as:

$\frac{6.67\times10^{-11}\cdot20\cdot20}{\left(\frac{1}{2} \right)^2}=\frac{400}{\frac{1}{4}}\left(6.67\times 10^{-11} \right)=$

$\left(1.6\times10^3 \right)\left(6.67\times10^{-11} \right)=10.672\times10^{-8}=1.0672\times10^{-7}$

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