Question

The mass of the Sun is approximately
2
×
10
30
kilograms. The mass of Venus is approximately
5
×
10
24
kilograms. About how many times greater is the mass of the Sun than the mass of Venus?

A.
25,000

B.
40,000

C.
250,000

D.
400,000

Answer 1

(2×10^30) ÷ (5×10^24) = (2/5) × 10^(30−24) = 0.4 × 10^6 = 400,000

Answer: D.