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WorksheetsIntro Review
Total questions: 66
Worksheet time: 3570secs
Name
Class
Date
1.
Measurements that are repeated and close to each other can be defined as:
a)
accurate
b)
accurate and precise
c)
precise
d)
estimated
2.
Romy's measurements: 6.02 m, 6. 04 m, 6.03 m
Actual Value: 6.02 m
How would you define her measurements?
Actual Value: 6.02 m
How would you define her measurements?
a)
accurate and precise
b)
accurate
c)
precise
d)
neither
3.
This bullseye demonstrates...
a)
High Accuracy & High Precision
b)
High Accuracy & Low Precision
c)
Low Accuracy & High Precision
d)
Low Accuracy & Low Precision
4.
volume?
a)
48 mL
b)
48.2 mL
c)
48.25 mL
d)
4 mL
5.
Volume?
a)
63.5 mL
b)
63 mL
c)
63.55 mL
d)
6 mL
6.
How many sig figs are in 90000 ml
a)
1 sig fig
b)
5 sig figs
c)
4 sig figs
7.
How many sig figs in 900. g/ml
a)
1 sig fig
b)
2 sig figs
c)
3 sig figs
8.
Round 0.0010021 to three sig figs
a)
100
b)
0.00100
c)
10021
d)
already has 3 sig figs
9.
Round 1009 to three sig figs
a)
100
b)
101
c)
1010
d)
1000
10.
Three different people weigh a standard mass of 2.00 g on the same balance. Each person obtains a reading of 7.32 g for the mass of the standard. These results imply that the balance that was used is ____.
a)
accurate
b)
precise
c)
accurate and precise
d)
neither accurate nor precise
11.
What is the measurement 1042 L rounded off to two significant digits?
a)
1.0 x 103 L
b)
1040 L
c)
1050 L
d)
1.1 x 103 L
12.
An object is measured to be 3.12g. The accepted value is 4.50g. What is the percentage error for this measurement?
a)
43.1%
b)
30.7%
c)
30.666%
d)
25.1%
13.
Express 23400 in proper scientific notation.
a)
2.34 x 10 ^4
b)
2.3 x 10 ^3
c)
2.30 x 10 ^5
d)
2.34 x 10 ^3
14.
Express 7.89 x 10 ^-8 in common notation.
a)
0.0000000789
b)
0.789
c)
0.00000789
d)
0.000000000789
15.
How many significant figures are in 0.0789?
a)
3
b)
2
c)
4
d)
5
16.
How many significant figures are in 80.007001?
a)
8
b)
3
c)
5
d)
4
17.
How many Significant Figures in the number below?
0.456
0.456
a)
3
b)
4
c)
2
d)
1
18.
How many Significant Figures in the number below?
4,500
4,500
a)
3
b)
4
c)
2
d)
1
19.
How many Significant Figures in the number below?
400,506
400,506
a)
5
b)
4
c)
6
d)
3
20.
How many Significant Figures in the number below?
4.56 x 103
4.56 x 103
a)
5
b)
4
c)
6
d)
3
21.
How many Significant Figures in the number below?
406,000
406,000
a)
5
b)
4
c)
6
d)
3
22.
Solve & Round to Correct Sig Figs.
103.45 + 2 =
103.45 + 2 =
a)
105
b)
104
c)
105.45
d)
106
23.
Solve & Round to Correct Sig Figs.
100 / 2 =
100 / 2 =
a)
50
b)
50.
c)
50.0
d)
50.00
24.
The metric prefix "micro" (μ) means
a)
10-9
b)
10-6
c)
10-3
d)
100
25.
The base unit for length is the
a)
second
b)
gram
c)
meter
d)
liter
26.
There are ___ meters in 25 kilometers (km)
a)
250 m
b)
2500 m
c)
25000 m
d)
.025 m
27.
Convert 1.7 km to m
a)
1700
b)
17
c)
170
d)
0.17
28.
convert 9 km to mm
a)
900,000
b)
9,000,000
c)
9,000
d)
90,000
29.
Which is more 4 kg or 3,000 g?
a)
4 kg
b)
3,000 g
30.
Calculate 12.34 × 1.234 × 0.1234
a)
1.87908
b)
1.879
c)
1.9
d)
1.8790809
31.
In the measurement 0.503 L, which digit is the estimated digit?
a)
5
b)
the 0 immediately to the left of the 3
c)
3
d)
the 0 to the left of the decimal point
32.
Solve & Round to Correct Sig Figs.
4.5 + 4.32 =
4.5 + 4.32 =
a)
8.8
b)
8.7
c)
8
d)
8.0
33.
Solve & Round to Correct Sig Figs.
4.5 x 2.34 =
4.5 x 2.34 =
a)
11
b)
10.52
c)
10.5
d)
10
34.
Solve & Round to Correct Sig Figs.
207 + 2 =
207 + 2 =
a)
209
b)
210
c)
209.0
d)
209.00
35.
Convert 20.0m/s to km/hour.
a)
5.55 km/h
b)
35.0 km/h
c)
62.0 km/h
d)
72.0 km/h
36.
1 Meter = ______cm
a)
100
b)
10
c)
1
d)
1000
37.
1 L = _______ mL
a)
1
b)
10
c)
100
d)
1000
38.
1 cm = _____mm
a)
1
b)
10
c)
100
d)
1000
39.
100 cm = ______m
a)
1
b)
10
c)
100
d)
1000
40.
1000 m = _____km
a)
1
b)
10
c)
100
d)
1000
41.
There are ___ millimeters(mm) in 2.7 centimeters (cm)
a)
270 mm
b)
.27 mm
c)
27 mm
d)
.027 mm
42.
There are ___ meters in 25 kilometers (km)
a)
250 m
b)
2500 m
c)
25000 m
d)
.025 m
43.
convert 0.7 cm to m
a)
70
b)
0.07
c)
0.007
d)
7
44.
What is the slope between the points
(6, 2) & (7, 6)?
(6, 2) & (7, 6)?
a)
0
b)
2
c)
-1
d)
4
45.
What is the slope between the two points?
(2, 9); (3, 12)
(2, 9); (3, 12)
a)
0
b)
-1
c)
3
d)
4
46.
What is the slope between the two points?
(-3, 0); (0, 9)
(-3, 0); (0, 9)
a)
0
b)
-2
c)
undefined
d)
3
47.
What is the slope between the two points?
(2, 8); (3, 12)
(2, 8); (3, 12)
a)
0
b)
-1
c)
undefined
d)
4
48.
What is the slope of the equation?
y = 4x + 2
y = 4x + 2
a)
2
b)
4
c)
1/2
d)
1
49.
What is the y intercept?
y = 2x - 3
y = 2x - 3
a)
3
b)
-3
c)
1
d)
2
50.
How many significant figures does the following number have: 100.00210
a)
7
b)
5
c)
10
d)
8
51.
How many significant figures does the following number have: 100.3
a)
4
b)
3
c)
5
d)
2
52.
How many significant figures does the following number have: 0.112
a)
1
b)
2
c)
3
d)
5
53.
Add (7.405 x 104) + (5.15 x 10-3) and express in scientific notations.
a)
7405
b)
7.405 x 104
c)
7.4050515 x 104
d)
74050515
54.
Multiply (2.45 x 104) x (8.78 x 106) and express in scientific notations.
a)
2.15 x 10 ^11
b)
2.15 x 10 ^14
c)
2.10 x 10 ^14
d)
2.10 x 10 ^15
55.
Divide (7.78 x 108) / (9.67 x 10-9) and express in scientific notations.
a)
8.05 x 1016
b)
7.52 x 1015
c)
8.05 x 1015
d)
7.52
56.
1145.678 + 4.56 + 623.9789 + 78.1 = ? (Use significant figures!)
a)
1852.3
b)
2000
c)
1952.3
d)
1853.5
57.
1345.567 / 23.56 = ? (Use significant figures!)
a)
57.11
b)
58.11
c)
56.75
d)
83.49
58.
How many significant figures are in 780.01?
a)
5
b)
3
c)
4
d)
2
59.
How many significant figures does the following number have: 0.045960
a)
3
b)
5
c)
6
d)
7
60.
How many significant figures does the following number have: 1740200
a)
2
b)
1
c)
3
d)
5
61.
Calculate 12.34 + 1.234 + 0.1234
a)
13.6974
b)
13.697
c)
13.70
d)
13.7
62.
Accuracy is defined as
a)
close repeated measurements
b)
The exactness of a measurement
c)
a good estimate
d)
measurement near the true value
63.
How many significant figures does the following number have: 0.002040
a)
6
b)
4
c)
3
d)
2
64.
How many significant figures does the following number have: 0.9870477
a)
8
b)
6
c)
5
d)
7
65.
Convert 5 cm to mm:
a)
5,000mm
b)
0.5 mm
c)
0.05 mm
d)
50 mm
66.
What is the slope of the equation?
y = -3x + 4
y = -3x + 4
a)
-3
b)
4
c)
-4
d)
3
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