In showing the steps to simplify? 15 points

Well, the idea is to "rationalize the denominator", which is another way to say "getting rid of that pesky radical in the bottom".

so, we'll do so by multiplying for "something" that raises the radicand and then it comes out



bear in mind that   

so, all we really did was, multiply it by "1", and recall that anything times 1 is just itself, so the fraction never really changed in value, just looks different, is all.

7days is 168 hours in decimal form it is just 168 there is no decimal form for this because it is like 168.0 and there is no number you are dividing it by for it to be a decimal.hope this