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Physics Math Review

Total questions: 75

Worksheet time: 6hrs 15mins

Name
Class
Date
1.

How many sig figs are in the number 3.970?

a)

1

b)

2

c)

3

d)

4

2.

How many sig figs are in the number 0.0030?

a)

1

b)

2

c)

3

d)

4

3.

Calculate the answer with the appropriate number of sig figs: 167.21-35.4

a)

132

b)

131.8

c)

131.81

d)

202.6

4.

Calculate the answer with the appropriate number of sig figs: 45*3.75

a)

12

b)

168.75

c)

169

d)

170

5.

Convert 53 cm to meters

a)

0.053 m

b)

0.53 m

c)

5.3 mm

d)

5300 m

6.

Convert 175 grams to kilograms

a)

0.175 kg

b)

1.75 kg

c)

1750 kg

d)

17,500 kg

7.

Convert 40 km/hr to m/s

a)

1.1 m/s

b)

11 m/s

c)

144 m/s

d)

40,000 m/s

8.

A virus is viewed under a microscope. Its diameter is 0.0000002 meter. How would this length be expressed in scientific notation?

a)

2 x 10-7 m

b)

2 x 10-6 m

c)

2 x 106 m

d)

2 x 107 m

9.

What is the measurement 0.000058 kg written in scientific notation?

a)

5.8 x 10-6 kg

b)

5.8 x 10-5 kg

c)

5.8 x 105 kg

d)

5.8 x 106 kg

10.

What is the measurement 6.92 x 10-3 meters written in standard form?

a)

0.000692 m

b)

0.00692 m

c)

0.0692 m

d)

0.692 m

11.

Write the measurement 6.37x 10-2 cg in standard form.

a)

0.00637 cg

b)

0.0637 cg

c)

637 cg

d)

63700 cg

12.

A typical ruby throated hummingbird is 8 centimeters long. Express its length in millimeters and dekameters.

a)

80 mm; 0.008 dam

b)

80 mm; 0.8 dam

c)

800 mm; 0.8 dam

d)

800 mm; 0.008 dam

13.

Jane has a mass of 50. kilograms. Express her mass in grams and in pounds. (1 kg = 2.2 lbs.)

a)

50,000 g; 23 lbs.

b)

500,000 g; 110 lbs.

c)

500,000 g; 23 lbs.

d)

50,000 g; 110 lbs.

14.

How many significant figures are in the measurement 0.0054 cm?

a)

5

b)

4

c)

3

d)

2

15.

How many significant figures are in the measurement 10,002?

a)

3

b)

5

c)

4

d)

2

16.

When multiplying or dividing several quantities, the number of significant figures in the result must always be:

a)

smaller than the number of significant digits in the least accurate of the quantities.

b)

larger than the number of significant digits in the most accurate of the quantities.

c)

equal to the number of significant digits in the most accurate of the quantities.

d)

equal to the number of significant digits in the least accurate of the quantities.

17.

When adding or subtracting several quantities, the number of decimal places in the result must always be:

a)

smaller than the number of decimal places in the least accurate of the quantities.

b)

equal to the number of decimal places in the most accurate of the quantities.

c)

equal to the number of decimal places in the least accurate of the quantities.

d)

larger than the number of decimal places in the most accurate of the quantities.

18.

The cruising speed of the Concorde supersonic airliner is 2138 km/hr. Express this speed in m/s.

a) b) c) d)

a)

593.9 m/s

b)

7696 m/s

c)

2138 m/s

d)

168.3 m/s

19.

What is the symbol for the prefix milli-?

a)

M

b)

mi

c)

m

d)

Ml

20.

Convert 3 km to cm

a)

.3

b)

30

c)

300

d)

3000

e)

none of the above

21.

Convert 3 mm to meters

a)

3

b)

.3

c)

.03

d)

.003

22.

What is .0007 in scientific notation?

a)

7 x 10^5

b)

7 x 10^4

c)

7 x 10^-5

d)

7 x 10^-4

23.

How many significant figures are in the measurement 57,600 mL?

a)

5

b)

3

c)

2

d)

4

24.
How would you write 4.3756 x 104 in standard form?
a)
437,560,000
b)
0.00043756
c)
43,756
d)
4,3756
25.
How would you write -5.6 x 10-3 in standard form?
a)
0.0056
b)
-5,600
c)
0.00056
d)
-0.0056
26.
The rule of scientific notation is to write all exponents with a base of ____.
a)
50
b)
5
c)
100
d)
10
27.
How do you write
1001
in scientific notation?
a)
1.0001 x 104
b)
1.01 x 105
c)
1.001 x 103
d)
10.1 x 103
28.
How do you write
8.317 x 106
in standard form?
a)
8, 371, 000
b)
83, 170, 000
c)
837, 100
d)
8, 317, 000
29.
Which of the following is correct scientific notation?
a)
20.35 x 104
b)
.2035 x 104
c)
2035 4
d)
2.035 x104
30.
Express the following in scientific notation:
.000457
a)
457 x 106
b)
457 x 10-6
c)
4.57 x104
d)
4.57 x 10-4
31.
Express the following in standard notation:
8.025 x 10-8
a)
.00000008025
b)
.000000008025
c)
802,500,000,000
d)
80,250,000,000
32.
Express the following in scientific notation:
0.0000002203
a)
.02203 x 107
b)
22.03 x 10-6
c)
2.203 x 10-7
d)
22.03 x 106
33.
Express the following in scientific notation:
10,030,400,000
a)
1.00304 x 109
b)
1.00304 x 1010
c)
1.00403 x 1010
d)
1.00304 x10-10
34.
What is scientific notation?
a)
A long way to write really short  numbers
b)
A short way to write really long numbers
c)
I don't know...
d)
None of the above
35.
7.82 x 10-6 is an example of scientific notation. The exponent of -6 tells you your number will be very ________.
a)
Large
b)
Small
c)
Basic
36.
Change from standard form to scientific notation:  450,000
a)
4.5  x  105
b)
45  x  105
c)
4.5  x  104
d)
4.5  x  106
37.
Try to change the number back to standard form: 3.97  x  10-2
a)
0.000397
b)
0.0397
c)
0.0000397
d)
0.397
38.

Determine the number of significant digits of 4.7500

a)

3

b)

4

c)

5

d)

6

39.

Determine the number of significant digits of 0.0080500

a)

2

b)

3

c)

8

d)

5

40.

5000.0

a)

1

b)

4

c)

5

d)

3

41.

Multiply and round to the appropriate number of significant digits.  8.076⋅3.208.076\cdot3.20  

a)

26

b)

25.8432

c)

25.84

d)

25.8

42.

Divide and round to the appropriate number of significant digits. 0.425÷50.425\div5  

a)

0.085

b)

0.08

c)

0.09

d)

0.1

43.

Subtract and round to the appropriate number of significant digits.  45.76−21.345.76-21.3  

a)

24.46

b)

24.4

c)

24.5

d)

24

44.

Add and round to the appropriate number of significant digits.  50.6+20.46+750.6+20.46+7  

a)

78.06

b)

78.1

c)

78

d)

78.2

45.
There are __?__ significant digits in the number 0.00076
a)
2
b)
4
c)
5
d)
6
46.
Why is the zero significant in the digit 706?
a)
It is an ending zero after the decimal point.
b)
It is a beginning zero.
c)
It is between 2 significant digits.
d)
It is not a significant digit.
47.
Which is correct regarding the significant digits for the number 0.0054?
a)
The zeroes are not significant digits since they are beginning zeroes.
b)
The zeroes are not significant digits since they are ending zeroes.
c)
They are significant since they are between significant digits.
d)
All zeroes are not significant digits.
48.
Which of the following is the answer for the problem with the correct number of significant digits?
24.32 + 1.2 = 25.52
a)
25.6
b)
25.52
c)
25.5
d)
25
49.
Which of the following is the answer for the problem with the correct number of significant digits?
53 + 23.4 = 76.4
a)
77.0
b)
77
c)
76.4
d)
76
50.
Which of the following is the answer for the problem with the correct number of significant digits?
19.008 - 14.53 = 4.478
a)
5
b)
4.5
c)
4.48
d)
4
51.
Which of the following is the answer for the problem with the correct number of significant digits?
23.91 x 12.861 = 307.50651
a)
308
b)
307.51
c)
307.5
d)
307
52.
Which of the following is the answer for the problem with the correct number of significant digits?
0.0025 x 1.41 = 0.003525
a)
0.00
b)
0.004
c)
0.00353
d)
0.0035
53.
Which of the following is the answer for the problem with the correct number of significant digits?
65 ÷ 10.01= 6.4935064
a)
7.0
b)
6.5
c)
6.494
d)
6.0
54.
Which of the following is the answer for the problem with the correct number of significant digits?
165815 ÷ 230 = 720.93478
a)
721
b)
720
c)
700
d)
7
55.

How many significant digits: .0090 mL

a)

1

b)

2

c)

3

d)

4

56.

How many significant digits: 10.01 kg

a)

1

b)

2

c)

3

d)

4

57.

All zeroes sandwiched between two significant digits/figures are considered

SIGNIFICANT.

a)

True

b)

False

58.

All non-zero digits (1-9) are considered

NOT SIGNIFICANT.

a)

True

b)

False

59.

All zeroes are SIGNIFICANT

a)

True

b)

False

60.
Round "0.265" to two significant digits.
a)
0.3
b)
0.27
c)
0.25
d)
0.2
61.

Count the number of significant digits in the number 2.123 X 1012

a)

4

b)

3

c)

12

d)

16

62.

Convert 1800g to kg.

a)

18 kg

b)

1.8 kg

c)

180 kg

d)

0.18 kg

63.

Convert 1.07 m to cm

a)

107 cm

b)

17 cm

c)

1070 cm

d)

1007 cm

64.

1 hr =

a)

360 sec

b)

6000 sec

c)

3600 sec

d)

600 sec

65.

1 kilometer=

a)

1000 meters

b)

1000 mm

c)

1000 decimeters

d)

100 meters

66.
A bicycle has a speed of 6 m/s. What is its speed in km/h?  (1 km=1000 m)
a)
21.6 km/h
b)
16.67 km/h
c)
2.16 km/h
d)
1.67 km/h
67.
A bicycle has a speed of 6 m/s. What is its speed in km/h?  (1 km=1000 m)
a)
21.6 km/h
b)
16.67 km/h
c)
2.16 km/h
d)
1.67 km/h
68.

A bicycle has a speed of 6 meters/second. What is its speed in kilometers/hour?

a)

21.6 kilometers/hour

b)

16.67 kilometers/hour

c)

2.16 kilometers/hour

d)

1.67 kilometers/hour

69.

A passenger jet has a speed of 900 kilometers/hour.

What is its speed in meters/second?

a)

250 meters/second

b)

324 meters/second

c)

1,500 meters/second

d)

2,500 meters/second

70.

Convert 5 centimeters/minute to meters/day.

a)

72 meters/day

b)

840 meters/day

c)

7.2 meters/day

d)

5,040,000 meters/day

71.

What would be the final units of this problem?

a)

feet/minute

b)

yards/minute

c)

yards/second

d)

seconds/feet

72.

What would be the final units of this problem?

a)

feet/hour

b)

miles/yard

c)

yards/hour

d)

feet/yard

73.

What would be the final units of this problem?

a)

meters/day

b)

days/meter

c)

hours/minute

d)

meters/minute

74.
How many minutes are in a year?
a)
I can't count that high.
b)
525,600min
c)
52,560min
d)
31,536,000min
75.
A passenger jet has a speed of 900 km/h.
What is its speed in m/s?
(1 km = 1000 m)
a)
250 m/s
b)
324 m/s
c)
1,500 m/s
d)
2,500 m/s

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