PLEASE HELP!! WILL GIVE BRAINLIEST !!
The length of a bacterial cell is about 3 x 10^−6 m, and the length of an amoeba cell is about 4.5 x 10^−4 m. How many times smaller is the bacterial cell than the amoeba cell? Write the final answer in scientific notation with the correct number of significant digits.
A. 2 x 10^2
B. 2 x 10^3
C. 0.7 x 10^1
D. 6.67 x 10^2