Counting Significant Figures

Which of the following numbers has three significant figures?

• 1014 miles
• 101 feet
• 1000 yards
• all of the choices

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

Round 0.010229 to four significant figures

• 1022
• 1023
• 0.01023
• 0.01022

What is 0.658 rounded to 1 significant figure?

• 0
• 0.66
• 0.7
• 0.658

How many significant figures does the measurement in 10.0 grams have>

• 1
• infinite
• 3
• 2

How many significant figures are in the measurement 48032 m?

• 5
• 4
• 3
• 2

How many significant figures does the following number have: 1740200

• 4
• 7
• 3
• 5

The teacher reported that she has 15 girls in her class. How many significant figures does the number reported by the teacher have?

• infinite
• 2
• 15
• 1