significant figures

The number 0.0069 has...

• 2 sigfigs

• 4 sigfigs

• 5 sigfigs

• 1 sigfig

The number 438000 has...

• 2 sigfigs

• 3 sigfigs

• 6 sigfigs

• 1 sigfig

The number 5003.20 has ....

• 4 sigfigs

• 2 sigfigs

• 6 sigfigs

• 3 sigfigs

What is the proper way to report this calculation ?

17.34 / 3.45?

• 5.026 because the 17.34 has the most sigfigs

• 5.03 because the 3.45 has the fewest sigfigs

• 5.026087 because you need the most decimal places for accuracy

• 5 because you should round the final answer to the nearest whole number

How many significant figures does the following number have: 0.998005

• 9
• 10
• 6
• 5

How many significant figures does 1.90 × 10⁸ have?

• 3
• 4
• 6
• 8

Round 1234.56 to three sig figs

• 1000

• 1200

• 1230

• 1235

• 1234.6

Solve & Round to Correct Sig Figs.
100 / 2.0 = 

• 50
• 50.
• 50.0
• 50.00

How many significant figures does the following number have: 0.002040

• 6
• 4
• 3
• 2

Calculate 923 g ÷ 20312 cm³ and give your answer with the appropriate number of significant figures.

• 0.04 g/cm³
• 0.045 g/cm³
• 0.0454 g/cm³
• 4 x 10^-2 g/cm³