Originally Posted by

**sentel** Hi everyone,

I am trying to brush up with my maths and i have not done that bad at working some questions out, but i am stuck on a certain question and i can not work it out to be the answer that the website saying the question gives you.

The question is simplify

$\displaystyle sqrt(90) x sqrt(600000)$

and the answer is

$\displaystyle 3000 sqrt(6)$

I have got to

$\displaystyle sqrt(90) x sqrt(600000) = sqrt(54000000)$

But i can not work out how to simplify that

Any help will be great

Thanks