How do you simplify #sqrt(6.4 times 10^3)#?

1 Answer
Feb 3, 2016

Answer:

The solution is 80. See how I manipulated the values into more manageable figures.

Explanation:

#6.4xx10^3" " =" "64xx10^2#

and #8^2 =64#

So write #sqrt(6.4xx10^3)" as " sqrt(8^2xx10^2) #

And this can be written as#" "sqrt(8^2) xxsqrt(10^2)#

Which is#" " 8xx10=80#