Question

Just number 9 not the other one please help

Answer 1

I do believe the answer is C

Explanation:

.004 / .0004 =

Answer 2

c 10

Explanation:

If we want to know how much bigger object A is than object B is we take object A and divide it by object B

object A 4 * 10^-3

----------- = -------------

Object B 4 * 10 ^-4

When dividing exponents with the same base

We can subtract them. The numbers out front get divided

4/4 * 10 ^ (-3- -4)

1 * 10 ^(-3+4)

1 * 10 ^1

10