How many times larger is 9 x 10-8 than 3 x 10-12?

9x10-8 is about 4.5 times larger than 3x10-12

First solve the equations

9*10-8
90-8
(82)

3*10-12
30-12
(18)

Divide 82/18= 4.5

The answer here would be 10