Question

Please help will fan and medal!!
Please help fast!!
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I think its B :/

Answer 1

how did you get the -4 ?

Answer 2

im not sure exactly how i solved it but i thought u had to multiply the exponents im not good with math as you can see :/

Answer 3

you add the exponents actually

\[\Large 10^{2}*10^{-5} = 10^{2+(-5)}\]

Answer 4

General rule

\[\LARGE a^b*a^c = a^{b+c}\]

Answer 5

so would it be c?

Answer 6

yup @Lost???