Sig. Figs. in Operations

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

• 1°C
• 1.4°C
• 1.45°C
• 1.450°C

Find the sum 3.35 + 1.4 + 3.65

• 8.9
• 8.22
• 8.43
• 8.4

86.04 + 4.04

• 9.044
• 9044
• 90.08
• 90.44

0.001 s + 9.234 s = ?

• 0.9234 s

• 9.235 s

• 9.24 s

• 10 s

33 g - 2.1 g = ?

• 31.9 g

• 31 g

• 30.9 g

• 30 g

0.495 g - 0.001 g = ?

• 0.394 g

• 0.3984 g

• 0.494 g

• 0.5 g

Solve & Round to Correct Sig Figs.
4.5 x 2.34 = 

• 11
• 10.52
• 10.5
• 10

Solve & Round to Correct Sig Figs.
100 / 2 = 

• 50
• 50.
• 50.0
• 50.00

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

• 1.0 m²
• 1.1 m²
• 1.0947 m²
• 1.09 m²

What is the correct answer according to sig fig rules:

.005612 x .40145 =

• .0022

• .00225

• .002252

• .002253