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Original Question
Convert 0.0150 km to meters and express the answer to the correct number of significant digits. a. 150 m b. 15 m c. 15.0 m d. 1...Question
Convert 145.0 mm to meters and express the answer to the correct number of significant digits.
a.
0.1450 m
b.
0.145 m
c.
145,000 m
d.
1.450 m
a.
0.1450 m
b.
0.145 m
c.
145,000 m
d.
1.450 m
Answers
GPT-4o mini
To convert 145.0 mm to meters, we use the conversion factor that 1 meter is equal to 1000 millimeters:
\[
145.0 \, \text{mm} \times \frac{1 \, \text{m}}{1000 \, \text{mm}} = 0.1450 \, \text{m}
\]
The original measurement (145.0 mm) has four significant digits, so we should express the answer in the same number of significant digits. Therefore, the correct answer is:
a. **0.1450 m**
\[
145.0 \, \text{mm} \times \frac{1 \, \text{m}}{1000 \, \text{mm}} = 0.1450 \, \text{m}
\]
The original measurement (145.0 mm) has four significant digits, so we should express the answer in the same number of significant digits. Therefore, the correct answer is:
a. **0.1450 m**