Significant Figures (1.3.4)

Question 1

• The amount of uncertainty in a measurement must always be taken into account when carrying out calculations.

Answer 1

• The amount of uncertainty in a measurement must always be taken into account when carrying out calculations.

Question 2

• There are rules that indicate which zeros are significant and which zeros are not significant.

Answer 2

• There are rules that indicate which zeros are significant and which zeros are not significant.

Question 3

• The number of significant figures to keep when adding or subtracting is determined by the number with the fewest digits after the decimal place.

Answer 3

• The number of significant figures to keep when adding or subtracting is determined by the number with the fewest digits after the decimal place.

Question 4

• The number of significant figures to keep when multiplying or dividing is determined by the factor with the fewest significant figures.

Answer 4

• The number of significant figures to keep when multiplying or dividing is determined by the factor with the fewest significant figures.