Significant Figures - Form 3 Review 1

How many significant figures does the following number have: 0.002040

• 6
• 4
• 3
• 2

Round 0.010229 to four sig figs

• 1022
• 1023
• 0.01023
• 0.01022

Round 1009 to three sig figs

• 100
• 101
• 1010
• 1000

How many Significant Figures in the number below?
4.56 x 10³

• 5
• 4
• 6
• 3

What is the correct answer to: 6.201 cm + 7.4 cm + 0.68 cm +12.0 cm =

• 26.281

• 26.28

• 26.2

• 26.3

What is the correct answer for: 1.31 cm x 2.3 cm

• 3.013

• 3.01

• 3.02

• 3.0

Calculate 1.23 m x 0.89 m and give your answer with the correct number of significant figures.

• 1.0 m²
• 1.1 m²
• 1.0947 m²
• 1.095 m²

Solve. Round using SigFig math rules.
98.7°C - 97.25°C 

• 1°C
• 1.4°C
• 1.45°C
• 1.450°C

Calculate 12.47 m ÷ 3.2 s and give your answer with the correct number of significant figures.

• 4 m/s
• 3.9 m/s
• 3.90 m/s
• 3.897 m/s

How many significant figures does the following number have: 1.001 & 100.10

• 4,5 
• 2,2
• 4,4
• 2,3