Division
Exponential Notation:
When dividing numbers written in exponential notation:
Divide the Digit Terms in the    normal fashion.
1
2
Obtain the exponent of 10 in the quotient by
                     subtracting the exponent of the divisor from the exponent of the dividend.
(7.5 x105)
÷
( 3.0 x 10-2)
dividend
divisor
2.5 x 107
7.5
÷
3.0
)
(
=
2.5
10
5
-
=
10
7
(- 2)
Giving: