Choose the answer with the correct missing numbers and the correct expression to describe the conversion.

Tons Pounds
5 10,000
6 12,000
7 14,000
8 _____
9 _____
10 _____
T T x _____
1600; 1800; 2000; T x 200
16,000; 18,000; 20,000; T x 2000
16,000; 18,000; 20,000; T x 200
16,000; 18,000; 20,000; T + 2000