Q. Which measurement is more precise?Choices:(A) 64.5 days(B) 86.44 days
Identify Decimal Places: Given measurements:(A) 64.5 days(B) 86.44 daysWhich number has more decimal places, 64.5 or 86.44?
Determine Precision: Determine the precision of each measurement.The precision of a measurement is indicated by the number of decimal places it has. The more decimal places, the more precise the measurement.64.5 has one decimal place.86.44 has two decimal places.
Compare Precision: Compare the precision of the two measurements.Since 86.44 has two decimal places compared to 64.5, which has only one, we can conclude that 86.44 is the more precise measurement.