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

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Answer 1 · 2016-02-03T16:11:33

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

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

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 $" " 8xx10=80$

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