Problem: Which list of numbers is
most efficient to...
--write?
--compare?
--do math with?
And why??

List A:
12,700,000,000,000
9,000,000,000,000
0.00000000016
0.000000007

List B:
12.7 x 1012
9000 x 10°
1.6 x 10-10
700 x 10-11

List C:
1.27 x 1013
9 x 1012
1.6 x 10-10
Why?
7 x 10-9