Identifying Significant Figures for Chemistry Exams

Which digits are always considered significant in a measurement?

• Only odd digits

• Only even digits

• Only non-zero digits

• Only zeros

In the number 1,743,216, how many significant figures are there?

• 5

• 6

• 7

• 8

What is the significance of the Pacific-Atlantic rule in determining significant figures?

• It helps in identifying significant zeros.

• It helps in converting units.

• It helps in identifying significant non-zero digits.

• It helps in rounding off numbers.

If a decimal point is present, from which side should you start reading the number to identify significant figures?

• From the middle

• From the right

• From the left

• From both sides

In the number 0.00457, how many significant figures are there?

• 5

• 4

• 3

• 2

If the decimal point is absent, from which side should you start reading the number to identify significant figures?

• From the left

• From the middle

• From both sides

• From the right

In the number 4500, how many significant figures are there if the decimal point is absent?

• 2

• 3

• 4

• 5

How many significant figures are there in the number 0.00500?

• 2

• 3

• 5

• 4