3.5 x 102
What is 350
.00045
What is 4.5 x 10-4
83,500,000
What is 8.35 x 107
(3.5 x 102) (2 x 107)
What is 7 x 109
(8.4 x 105)
(4.2 x 10-3
What is 2 x 108