Metric length

ATI TEAS
Math: Measurement and Data
Multiple choice
Difficulty 3 of 5

Question

A fabric sample measures 0.45 meters along one edge. How many millimeters long is that edge?

45✗ Incorrect

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

Correct. Multiply by the conversion factor: 0.45 × 1,000 = 450.
900✗ Incorrect

Incorrect. This answer doubles the correct amount.
4,500✗ Incorrect

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

Answer

B. 450

Rationale

A millimeter is a thousandth of a meter. Multiply the length in meters by the number of millimeters per meter.

Worked solution: Multiply by the conversion factor: 0.45 × 1,000 = 450.

RememberChoose the conversion direction by comparing the sizes of the units.

Sources

Handbook 44 – 2024 National Institute of Standards and Technology · License: US government work (public domain) · Retrieved November 2, 2026 · Page 3

Last verified: November 5, 2026 2 independent automated checks Question teas-mmd-00064, version 1

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