Unit 1 Part 1 Retest

How many Significant Figures in the number below?
0.456

• 3
• 4
• 2
• 1

How many Significant Figures in the number below?
4,500

• 3
• 4
• 2
• 1

Solve & Round to Correct Sig Figs.
4.5 + 4.32 = 

• 8.8
• 8.7
• 8
• 8.0

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

Solve & Round to Correct Sig Figs.
207 + 2 = 

• 209
• 210
• 209.0
• 209.00

Express the following number in decimal notation: 
4.502 x 10⁵

• 450,200
• 4502
• 0.00004502
• 0.000004502

Express the following number in decimal notation: 
4.96 x 10^-3

• 0.00496
• 4,960
• 496
• 0.000496

Express the following number in scientific notation: 
0.00000534

• 5.34 x 10^-6
• 5.34 x 10⁶
• 534 x 10⁵
• 5.34 x 10^-5

Express the following number in scientific notation: 
18,000,000

• 1.8 x 10⁷
• 18 x 10⁶
• 1.8
• 1.8 x 10^-7