Simplify the expression. Write the answer using scientific notation. (5x10^5)^-2 A. 0.04x10^-10 B. 4.0x10^-11 C. -10x10^-10 D. 4.0x10^-12

asked Jan 22, 2019 144k views

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Simplify the expression

(5*10^5)^-2

It can be simplified as below:

$(5*10^5)^(-2)=(1)/((5*10^5)^2) \\\\(5*10^5)^(-2)=(1)/(25*10^(10)) \\\\(5*10^5)^(-2)=(1)/(25)*10^(-10)\\\\ (5*10^5)^(-2)=0.04*10^(-10)\\$

Egli answered Jan 28, 2019

by Egli

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