How do you simplify sqrt(512)?

1 Answer
Feb 19, 2016

= 2^( 9 /2)

Explanation:

sqrt(512

We first prime factorise 512 (ie; express it as a product of its prime factors)

512 = 2 xx 2 xx 2 xx 2 xx 2 xx 2 xx 2 xx 2 xx 2

512 = 2^9

sqrt512 = sqrt(2^9)

= 2^( 9 xx 1/2)

(note: square root is also called half root)

= 2^( 9 /2)