Accuracy and Precision

Front

What is the definition of significant figures?

Back

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

Front

How many significant figures are in the number 216 m?

Back

3

Front

How many significant figures are in the number 4004?

Back

4

Front

What is the difference between accuracy and precision?

Back

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

Front

This image is an example of... (if it shows a target with arrows clustered together but not near the center)

Back

NEITHER precision and accuracy.

Front

Calculate 1.23 m x 0.89 m and give your answer with the correct number of significant figures.

Back

1.1 m²

Front

How many significant figures are in the number 100000000?

Back

1

Front

What is the rule for determining significant figures in addition and subtraction?

Back

The result should be reported with the same number of decimal places as the measurement with the least number of decimal places.

Front

What is the rule for determining significant figures in multiplication and division?

Back

The result should have the same number of significant figures as the measurement with the least number of significant figures.

Front

If a measurement is recorded as 0.00456, how many significant figures does it have?

Back

3