Q. Which measurement is more precise?Choices:(A) 80.7mL(B) 39mL
Analyze Measurements: Analyze the given measurements.We have two measurements: 80.7mL and 39mL. We need to determine which one is more precise.
Determine Precision: Determine the precision based on decimal places. Precision in measurements is often indicated by the number of decimal places. The more decimal places a measurement has, the more precise it is considered to be.
Compare Decimal Places: Compare the number of decimal places. The measurement 80.7mL has one decimal place, while the measurement 39mL has no decimal places. Therefore, 80.7mL is more precise because it is specified to the nearest tenth of a milliliter.