Originally Posted by

**JaneBennet**
Yes, thanks. I think I am beginning to understand it. It looks like

you just worked out the inside first. And then you went to the outside.

But still one little thing. Why did you do 2*16 in step 2 and not 4*8. Is it a rule

to get the smallest number in the square root with the option to put one

of the numbers out of the square root?

And by the way really thanks, I was making my homework yesterday with a slowmotion rate of one math question per hour just because of this different square root :? .