Chemistry Quiz: Significant Figures and Scientific Notation

How many significant figures does the following number have?
0.00345

• 6
• 5
• 3
• Ambiguous: 3,4,5, or 6

How many significant figures does the following number have: 0.00204

• 6
• 4
• 3
• 2

How many significant figures does the following number have: 100.00210

• 7
• 8
• 10
• Ambiguous: 7 or 8

Round 1289 to three significant figures

• 1290
• 130
• 1300
• 1.29x10³

Solve and give your answer with the correct number of significant figures
(12.470)(271)

• 3366.9
• 3.37x10³
• 3400
• 3370

How many sig figs are there?
100.00

• 1
• 3
• 4
• 5

How many sig figs are there?
100000000

• 1
• 9
• 10

How many sig figs are there?
4004

• 1
• 2
• 3
• 4

How many sig figs are there?
9009.00

• 2
• 4
• 5
• 6

How many sig figs are there?
0.00400

• 1
• 3
• 5
• 6