Significant Figures Quiz

Why are significant figures important in math-based sciences?

• They ensure precision in measurements and calculations.

• They are used to decorate scientific reports.

• They help in estimating the cost of experiments.

• They are only important for theoretical physics.

Which of the following numbers has three significant figures?

• 100

• 0.045

• 70.2

• 0.002

In the number 0.045, how many significant figures are there?

• One

• Three

• Four

• Two

What is the significance of zeros between nonzero digits?

• They are always insignificant.

• They are significant only in whole numbers.

• They are significant.

• They are only significant if followed by a decimal.

How many significant figures are in the number 400.0?

• Four

• Five

• Three

• Two

What is the correct way to write 1,200 with three significant figures?

• 1.2 x 10^2

• 1.200 x 10^3

• 1.2 x 10^3

• 1.20 x 10^3

How would you express 0.002 with three significant figures in scientific notation?

• 0.00200

• 2.00 x 10^-3

• 2.000 x 10^-3

• 2.0 x 10^-3

Which of the following numbers has only one significant figure?

• 0.0020

• 100

• 0.002

• 70.0

What is the rule for zeros at the end of a number?

• They are never significant.

• They are significant only in whole numbers.

• They are significant only if to the right of a decimal point.

• They are always significant.

What is the significance of making mistakes according to the teacher?

• Mistakes are a sign of failure.

• Mistakes are irrelevant in learning.

• Mistakes help in recognizing and learning from errors.

• Mistakes should be avoided at all costs.