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1.
5.5234 mL of mercury is transfered to a graduated cylinder with scale marks 0.1 mL apart. Which of the following will be the correct reading taken from the graduated cylinder?

5.523 mL

5 mL

5.5 mL

5.52 mL

5.5234 mL

I don't know.

2.
A mile is defined as 5280 feet. How many significant figures does this number have?

3

The number is exact.

4

I don't know.

3.
The number of significant figures in 0.00230300 m is

3

4

6

9

7

none of these

4.
A person steps on and off a bathroom scale 5 times, balancing themselves slightly differently every time. The five weights on the scale are 152.1 lbs, 154.7 lbs, 151.0 lbs, 153.5 lbs, and 152.3 lbs. The average weight, correctly rounded, is

152.72 lbs

152 lbs

152.7 lbs

153 lbs

152.3 lbs

none of these

5.
What is the volume of a rectangular strip of wood that measures 10.0 cm x 100.0 cm x 1.0 cm?

none of these

1000.0 cm^{3}

111.0 cm^{3}

1.00 x 10^{3} cm^{3}

1 x 10^{3} cm^{3}

1.0 x 10^{3} cm^{3}

6.
To the correct number of significant figures, (1101 cm - 1091 cm)/2.00 cm is