25,000,000
20,000,000 + 5,000,000
A) 4 x 10^5
400,000
A is not the answer.
B) 9 x 10^4
90,000
B is not the answer.
C) 4 x 10^3
4,000
C is the answer.
D) 9 x 10^3
9,000
D is not the answer.
1.6m questions
2.0m answers