Question

If a cow has a mass of 9×10^2 kilograms, and a blue whale has a mass of 1.8×10^5 kilograms, which of these statements is true?
A.The blue whale has about 200 time more mass
B.The cow has about 200 time more mass
C.The blue whale has about 500 time more mass
D.There is no way to compare the masses

Answer 1

$\cfrac{1.8*10^5}{9*10^2}= 0.2*10^3 = 2*10^2=200$

A.The blue whale has about 200 time more mass