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Worksheetssignificant figures in problems quiz
Total questions: 13
Worksheet time: 7mins
Name
Class
Date
1.
Round off the following quantity to 4 sig fig:
132.505g
132.505g
a)
132.5g
b)
132.50g
c)
132.51g
d)
132.6g
2.
Round off the following quantity to 2 sig fig:
13.452 lb
13.452 lb
a)
13 lb
b)
13.5 lb
c)
14 lb
d)
13.0 lb
3.
Round off the following quantity to 2 sig fig:
345 oz
345 oz
a)
350 oz
b)
35 oz
c)
340 oz
d)
34 oz
4.
A ship builder want to know if the ship he built will float in water. the ship weighs 65,000 grams and it is 60,000 cm3. will his ship float in water?
a)
Yes. The density of the ship is greater than 1 g/ml
b)
Yes. The density of the ship is less than 1g/ml
c)
No. The density of the is greater than 1g/ml
d)
No. The density of the ship is less than 1 g/ml.
5.
calculate the following to the correct number of sig figs.
17.2 + 65.18 +2.4
17.2 + 65.18 +2.4
a)
84.8
b)
85
c)
84.78
d)
85.0
6.
calculate the following to the correct number of sig figs.
13.2017/ 17.10
13.2017/ 17.10
a)
.772
b)
.7720
c)
.772030
d)
.77
7.
calculate the following to the correct number of sig figs.
0.00401 x 2.00 x 501
0.00401 x 2.00 x 501
a)
4.02
b)
4
c)
4.0
d)
4.0180
8.
calculate the following to the correct number of sig figs.
32.451 - 21.5
32.451 - 21.5
a)
11.0
b)
10.951
c)
11
d)
10.95
9.
convert
37.12 g --> kg
37.12 g --> kg
a)
0.03712 kg
b)
37120 kg
c)
37120000000kg
d)
0.0000000 kg
10.
convert
5.25 x 106nm --> mm
5.25 x 106nm --> mm
a)
5.25 x 100mm
b)
5.25 x 109 mm
c)
5.25 x 103mm
d)
5.25 x 10 - 3mm
11.
A solid with an irregular shape and a mass of 11.33g is added to a graduated cylinder filled with water to the 35.0 ml mark. After the solid sinks to the bottom, the water level is read to be at the 42.3 ml mark. What is the density of the solid?
a)
2 g/ml
b)
1.6 g/ml
c)
82.7 g/ml
d)
1.55 g/ml
12.
write the number in scientific notation
203000
203000
a)
2.03x10 5
b)
2.030x10 4
c)
2.0300x10 - 5
d)
203 x 10 3
13.
write the number in scientific notation
0.000450
0.000450
a)
4.50x10 - 4
b)
4.50x10 4
c)
4.5x10 - 4
d)
4.5 x 10 4
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