Measurement and Significant Figures

Front

What are significant figures?

Back

Significant figures are the digits in a number that contribute to its precision. This includes all non-zero digits, any zeros between significant digits, and trailing zeros in the decimal portion.

Front

How do you determine the number of significant figures in a measurement?

Back

Count all non-zero digits, any zeros between them, and trailing zeros in a decimal number. Leading zeros are not counted.

Front

What is the difference between accuracy and precision?

Back

Accuracy refers to how close a measurement is to the true value, while precision refers to how consistent repeated measurements are.

Front

What does it mean if measurements are precise but not accurate?

Back

It means that the measurements are consistent with each other but are far from the true value.

Front

What is the true value in measurements?

Back

The true value is the actual or accepted value that is considered correct.

Front

How many significant figures are in the number 0.002040?

Back

There are 4 significant figures.

Front

What is the correct measurement of an object that measures 2.30 cm?

Back

The correct measurement is 2.30 cm, which indicates precision.

Front

Convert 300 meters to centimeters.

Back

300 meters is equal to 30,000 centimeters.

Front

What is the formula for converting meters to centimeters?

Back

Multiply the number of meters by 100 to get centimeters.

Front

What is a measurement?

Back

A measurement is a quantitative description that includes a number and a unit.