Question

Plzzzzzzzzzzzzzzzz help me

Answer 1

3rd one.................

Answer 2

That is easy buddy!
Just do this, might look even simpler
9 x 10² = 900
3 x 10⁻² = 0.03


`(900)/(0.03)`
30000

30000 is 3 x 10⁴

So your answer will be
9 x 10² is 3 x 10⁴ times greater than 3 x 10⁻²
Your answer is the third option