Significant Figures Quiz

Significant Figures Quiz

• 31 questions on significant figures (sig figs) in various mathematical operations and numerical values.

Question Types

• Determining sig figs in a number
• Performing arithmetic operations and determining sig figs in the answer

Question Examples

• How many sig figs are in 0.017291 dm?
• How many sig figs are in the answer to 1300000 dJ − 1 dJ?
• How many sig figs are in 2.2534 × 10^8 kL?

Operations and Sig Figs

• Multiplication and division: sig figs in the answer depend on the operands
• Addition and subtraction: sig figs in the answer depend on the operands with the fewest sig figs

Sig Figs in Numbers

• 0.017291 dm: 4 sig figs
• 0.01 dPa: 1 sig fig
• 8.7 × 10^3 kL: 2 sig figs
• 2.2534 × 10^8 kL: 4 sig figs

Solving Questions

• Read the question carefully and understand what is being asked
• Determine the number of sig figs in each operand (if applicable)
• Perform the arithmetic operation (if applicable)
• Determine the number of sig figs in the answer