1


The population in the United States in 2012 was about 3.1 × 108 people. What key strokes on a calculator can be used to find an increase in population of 5%?
A 3 . 1 E x 5
B 3 . 1 E 8 x 1 . 5
C 3 . 1 E 8 x 1 . 0 5
D 3 . 1 E 8 x 0 . 9 5