38 kg
38 cm
30.5 cm
3.2 cm
2 of them.
8.83 cm²
5 significant figures.
3 significant figures.
2 of them.
302.5 grams
No, the one with the least.
The least number of significant figures in any number of the problem determines the number of significant figures in the answer.
When adding or subtracting measurements, the result should have the same number of decimal places as the measurement with the fewest decimal places. When multiplying or dividing measurements, the result should have the same number of significant figures as the measurement with the fewest significant figures.