Unit 1 Chemistry - Significant Figures Practice

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 many Significant Figures are in the number 4.56 x 10^3?

Back

3

Front

What is the result of dividing 100.00g by 2.00mL?

Back

50.0 g/mL

Front

What does it mean if a measurement is accurate but not precise?

Back

It means that the measurement is close to the true value but the repeated measurements vary widely.

Front

How do you round the number 0.010229 to four significant figures?

Back

0.01023

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

How many Significant Figures are in the number 0.00456?

Back

3

Front

What is the result of 50.0 g/mL divided by 2.0 mL?

Back

25.0 g/mL

Front

What does it mean if a measurement is not accurate and not precise?

Back

It means that the measurement is far from the true value and the repeated measurements vary widely.

Front

How many Significant Figures are in the number 100.0?

Back

4