How many moles of gold, a U, are in 3.60×10^-5 G of gold?

See Below.

Explanation:

This is a conversion problem:

Using the molar mass of Gold (given in a periodic table) which is 196.97g/mol

you have

you always arrange the equation in a way to cancel whatever you don't want (grams) and leave what you do want (moles). Here grams cancel (top and bottom), so you're left with:

moles of Gold

po-215 i got it right on the quiz