Write the Number in Scientific Notation $\times$ 10^-1
B) 15 $\times$ 10^-3
C) 1

Write the number in scientific notation. One milligram is about 0.015430 grain.

A) 0.1543 $\times$ 10^-1
B) 15.43 $\times$ 10^-3
C) 1.543 $\times$ 10^-2
D) 1.543 $\times$ 10^-3
E) 0.015430 $\times$ 10^-2