Chem Unit 8 Math Skills

How many sig. fig. are in the number below:
350.540

• 4
• 5
• 6
• 7

Tags

CCSS.8.EE.A.4

How many sig. fig. are in the number below:
0.0005

• 1
• 2
• 3
• 4

Which measurement contains 3 sig figs?

• 200 mL
• 20.0 mL
• 0.02 mL
• 0.020mL

What is the correct number of sig figs in 10500

• 3
• 2
• 4
• 5

Convert the following to scientific notation.

0.000480

• 4.8 x 10^-4

• 4.80 x 10^-4

• 48 x 10^-5

• 4.80 x 10⁴

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.
103.45 + 2 = 

• 105
• 104
• 105.45
• 106

Calculate the answer to the following problem and round the final answer to the correct number of sig figs:
24.567 + 0.04478 =

• 24.61178
• 24.612
• 24.611
• 24.61

Express the following number in decimal notation: 
4.502 x 10⁵

• 450,200
• 4502
• 0.00004502
• 0.000004502