The mass of a housefly is 0.0000145 kilograms.

Question

How is this number written in scientific notation?
Responses
A 1.45 x 10-51.45 x 10 -5
B 1.45 x 10-4 1.45 x 10 -4
C 1.45 x 1051.45 x 10 5
D 0.145 x 10-4

Answer 1

B 1.45 x 10-4 1.45 x 10 -4