Question

Rewrite using scientific notation: 0.048.
A. 0.48 x 101
B. 4.8 x 10-2
C. 4.8 x 10-3
D. 48 x 10-3

Answer 1

B

Answer 2

Scientific notation has 1 digit before the decimal, followed by all significant digits after the decimal followed by ten to the power, 10^, of number that will move the decimal point in the correct direction. So in your problem above, 4.8*10^-2 would be correct because the decimal point has to move 2 points to the left.