How do you simplify $sqrt320$ ?

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Answer 1 · 2016-06-08T14:56:20

$= 8 sqrt 5$

$sqrt(320)$

We simplify the number by prime factorisation (expressing a number as a product of prime factors).

$sqrt320 = sqrt ( 2 * 2 * 2 * 2 * 2 * 2 * 5 ) = sqrt (8 * 8 * 5 )$

$=sqrt(8^2 * 5$

$= 8 sqrt 5$

How do you simplify sqrt320 sqrt320 ?