What is #(8*10^3)-:(2*10^2)#?

1 Answer
Alan P.
Dec 23, 2016

#color(green)40#

Explanation:

#(8 * 10^3)div (2 * 10^2)#

#color(white)("XXX")=(8 * 10^3)/(2 * 10^2)#

#color(white)("XXX")=(cancel(8)^4)/cancel(2) * (cancel(10^3)^(10^1))/(cancel(10^2)#

#color(white)("XXX")=4 * 10#

#color(white)("XXX")=40#

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