8/22/2014
Print Assignment: DEBB Chapter 01 Homework Set ::false
8/22/2014
Print Assignment: DEBB Chapter 01 Homework Set ::false
4. Problem 01-015
Carry out the following operation. Assume that the numbers represent
measurements and express the answer to the proper decimal place.
1. Problem 01-003
0.062 + 11.38 + 1.4578
The actual length of a certain plank is 26.786 in.
Which of the following measurements of this plank is the most precise?
26.206 in
26.8 in
26.6 in
5. Problem 01-025
26.99 in
Carry out the following calculation. Express your answer in decimal form with the
correct number of significant digits. Specify units.
201 in.2
______
0.717 in.
Which of the following measurements of this plank is the most accurate?
26.6 in
26.99 in
in.2
26.206 in
in.
26.8 in
6. Problem 01-033
2. Problem 01-005
Express 0.0020 in scientific notation (one nonzero digit to the left of the decimal
point).
How many significant figures are in the following measurement?
0.0080 in.
x 10
3. Problem 01-009
Round the following to two significant figures. Enter your answer in decimal form.
1557000
7. Problem 01-037
Express the following as an ordinary decimal number. Do not forget to put zero
before decimal point.
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Print Assignment: DEBB Chapter 01 Homework Set ::false
8/22/2014
Print Assignment: DEBB Chapter 01 Homework Set ::false
*1
Significant digits not applicable; exact number, no tolerance
8. Problem 01-043
12. Problem 01-068
Carry out the following operation. Assume that the numbers represent
p
p p decimal place.
measurements,, so the answer should be expressed
to the proper
The moon is 238400 miles from Earth. What is this distance in kilometers?
*1
km
Significant digits are disabled; the tolerance is +/-2%
x10
13. Problem 01-079
A mountain is 23030 ft in elevation. How high is this in kilometers?
*1
km
Significant digits are disabled; the tolerance is +/-2%
9. Problem 01-052
Choose the proper prefix, unit, and symbol for the following.
14. Problem 01-090
A train travels at a speed of 74 mi/hr.
How many hours does it take to travel 18000 ft?
*1
10. Problem 01-057
How many significant figures are in the following relationship? (If exact, the answer
p 0 in the answer box.)
is "infinite" and put
hours
Significant digits are disabled; the tolerance is +/-2%
How many yards can it travel in 39 min?
*1
yards
Significant digits are disabled; the tolerance is +/-2%
11. Problem 01-063
Convert this measurement to a unit in the same system that will produce a number
between 1 and 100.
8.22 × 10 6 mm =
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Print Assignment: DEBB Chapter 01 Homework Set ::false
15. Problem 01-102
The coldest temperature recorded on Planet A was -120ºF. What is this temperature
in degrees Celsius?
*1
ºC
Significant digits are disabled; the tolerance is +/-2%
16. Problem 01-111
Convert 4.96 × 10 -4 mL to gallons.
*1
gal
Significant digits are disabled; the tolerance is +/-2%
17. Problem 01-118
A quarter has a mass of 5.45 g. How many dollars is 1 pound of quarters worth?
*1
$
Significant digits are disabled; the tolerance is +/-2%
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