Sig Figs

When multiplying and dividing, how do you determine how many sig figs should be in the answer?

• The answer must contain the same number of significant figures as the least accurate measurement.
  
• The answer must contain the same number of significant figures as the most accurate measurement.

Calculate 5.50 cm + 5.50 cm and give your answer with the appropriate number of significant figures.

• 11 cm
• 11.0 cm
• 11.00 cm
• 11.000 cm

Tags

CCSS.5.NBT.B.7

Calculate 923 g ÷ 20312 cm³ and give your answer with the appropriate number of significant figures.

• 0.04 g/cm³
• 0.045 g/cm³
• 0.0454 g/cm³
• 4 x 10^-2 g/cm³

Tags

CCSS.8.EE.A.4

Solve. Round using SigFig math rules.
103-cm x 11-cm

• 11-cm²
• 1100-cm²
• 1130-cm²
• 1133-cm²

Solve. Round using SigFig math rules.
98.7°C - 97.25°C 

• 1°C
• 1.4°C
• 1.45°C
• 1.450°C

Calculate 12.34 + 1.234 + 0.1234 and give your answer with the appropriate number of significant figures.

• 13.6974
• 13.697
• 13.70
• 13.7

Tags

CCSS.5.NBT.B.7

Calculate 345.009 g - 23.009 g and give your answer with the appropriate number of significant figures.

• 322.00 g
• 322 g
• 322.000 g
• 322

When adding and subtracting, how do you determine how many sig figs should be in the answer?

• The answer must contain the same number of decimal places as the most accurate measurement.
• The answer must contain the same number of decimal places as the least accurate measurement.
  

When performing the calculation 34.530 g + 12.1 g + 1222.34 g the final answer must have

• Three significant figures
• One decimal place
• Two decimal places
• Three decimal places

Calculate 7.987 m - 0.54 m and give your answer with the appropriate number of significant figures.

• 7.45 m
• 7.447 m
• 7.4 m
• 7.5 m