Question

Help with questions, I don't care if you google it

Answer 1

Question 1:


`7.488*10^(-8)`÷
`3.12*10^(2)`

=
`(7.488*10^(-8))/(3.12*10^(2)) = 2.4* 10^(-8-2) = 2.4* 10^(-10)`

Hence, the answer is A.

Question 2:

Mass =
`2.8* 10^(-11)` grams

New mass =
`2.8 * 10^(-8)` milligrams

Question 3:


`2.085*10^(6) = 2,085,000`

Hence, the answer is C.