Metric distance

Question

A trail map records a route as 2.7 kilometers. How many meters long is the route?

1. A270✗ Incorrect

   Incorrect. This answer misplaces the decimal point (10 times too little).

2. B2,700✓ Correct

   Correct. Multiply by the conversion factor: 2.7 × 1,000 = 2,700.

3. C5,400✗ Incorrect

   Incorrect. This answer doubles the correct amount.

4. D27,000✗ Incorrect

   Incorrect. This answer misplaces the decimal point (10 times too much).

Answer

B. 2,700

Rationale

A kilometer is a larger length unit than a meter. Multiply the route length by the number of meters per kilometer.

Worked solution: Multiply by the conversion factor: 2.7 × 1,000 = 2,700.