Basics of significant figures

Which of the following numbers have three significant figures?

• 2097

• 12300

• 0.0482

• 277.0

Which of the following numbers have two significant figures?

• 21

• 4900.

• 0.000210

• 0.023

Which of the following numbers have four significant figures?

• 5500

• 12045

• 5500.

• 0.01020

Which of the following numbers have five significant figures?

• 21000.

• 83841

• 0.22033

• 12.345

Which of the following numbers has more than two significant figures?

• 9400

• 2.000

• 70

• 0.00025

How many significant figures does the following number have: 0.002040

• 6
• 4
• 3
• 2

How many significant figures does the following number have: 0.998005

• 9
• 10
• 6
• 5

How many significant figures does the following number have: 100.00210

• 7
• 5
• 10
• 8

How many significant figures does the following number have: 100.3

• 4
• 3
• 5
• 2

How many significant figures does the following number have: 56.040

• 2
• 3
• 4
• 5