Understanding Significant Figures reading

What do significant figures indicate in a measurement?

• The precision of a measurement

• The accuracy of a measurement

• The unit of a measurement

• The method of measurement

Which of the following digits are always significant?

• Leading zeros

• Trailing zeros without a decimal point

• All non-zero digits

• Zeros before non-zero digits

How many significant figures are in the measurement 12.34 cm?

• Three

• Four

• Five

• Two

When are trailing zeros considered significant?

• Always

• Only if there is a decimal point

• Never

• Only if they are between non-zero digits

Why is understanding significant figures important in calculations?

• To ensure the final answer is more precise than the original measurements

• To ensure the final answer is less precise than the original measurements

• To ensure the final answer reflects the precision of the measurements used

• To ensure the final answer is rounded to the nearest whole number