SOLUTION: please please help i'm returning to school for the first time in years. i received a pop quiz in chemistry and i bombed it i have the quiz to go over. if you could explain one prob

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Question 24004: please please help i'm returning to school for the first time in years. i received a pop quiz in chemistry and i bombed it i have the quiz to go over. if you could explain one problem to me i think ican figure out the rest
(2*10^-2)^2
WHAT DO I DO?? :)
Answer by elima(1433) About Me  (Show Source):
You can put this solution on YOUR website!
First of all you need to do what is in the parenthesis;
%282%2A10%5E-2%29
%2820%5E-2%29%5E2
Now you multiply the exponents;
20%5E%28-2%2A2%29
20%5E-4
A negative exponent turns it into a fraction;
1%2F20%5E4
Good Luck with school, that's great that you are returning. I hope we can help more
=)