Scientific Calculations and Conversion

Metric Conversions

100

Convert 87 cm to m

0.87 m

200

Convert 10,000 mL to L

10 L

300

8,000,000 ng to g

0.008 g

400

Convert 6,000 cJ to MJ

0.00006 MJ

500

Convert 1.1 x 10^9 mL to kL

1.1 x 10^-6 kL OR 0.0000011 kL

Significant Digits

100

How many significant digits in 8.984

4

200

How many significant figures in 1.001 g

4

300

How many significant digits in 0.000780

3

400

What is the answer to the following problem in significant figures?

79 x 102 = ?

8,100 OR 8.1 x 10³

500

What is the answer to this question in using significant digits? 

102.01 + 34.1123

136.12

Scientific Notation

100

Write this number in scientific notation

800. L

8.00 x 10² L

200

Write this number in scientific notation:

7,234 g

7.234 x 10³ g

300

Write this number in scientific notation:

0.00043 kL

4.3 x 10^-4 kL

400

Write this number in scientific notation

0.000650000 mm

6.50000 x 10^-4

500

Write this number in scientific notation.

1,432,000 

1.432 x 10⁶

Percent Error/Density

100

If I estimate my car repairs to cost $80 but they actually cost $120, what is my percent error.

33%

200

If I expect to make $425 but I actually make $500, what was my percent error? 

17.65%

300

I have a rock with a volume of 15 cm^3 and a mass of 45 g. What is its density?

3.0 g/cm^3

400

What is the mass of ethyl alcohol that exactly fills a 200.0 mL container. The density of ethyl alcohol is 0.789 g/mL.

157.8 g

500

A rectangular block of copper metal weighs 1896 g. The dimensions of the block are 8.4 cm by 5.5 cm by 4.6 cm. From this data, what is the density of copper?

8.9 g/cm^3

Random

100

Mr. McGuire went to this university for college?

Iowa State

200

John Lennon was a founding member of this British song group. 

The Beatles

300

The square root of 81 is what?

9

400

What are the five colors of the Olympic rings?

Blue, yellow, black, green, and red

500

What is the Spanish word for backpack?

Mochila