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23 questions
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- 1. Multiple-choice5 minutes1 pt
Which expression is equivalent to 10-2 ÷ 10-14 ?
107
1012
1016
1028
- 2. Multiple-choice5 minutes1 pt
Which expression is equivalent to the picture?
56 / 72
56 / 7
510 / 7
510 / 72
- 3. Multiple-choice5 minutes1 pt
What is the simplified form of the expression below?
(22)4 x 2-5
2
4
23
43
- 4. Multiple-choice5 minutes1 pt
What is the expression in the image written as a fraction in simplest form?
1/64
1/8
3/16
3/4
- 5. Multiple-choice5 minutes1 pt
Which expression is equivalent to 2x-2y-4 ?
- 6. Multiple-choice5 minutes1 pt
Which of these is equivalent to the image?
2-19
1 / 27`
1/2
23
- 7. Multiple-choice5 minutes1 pt
Which numerical expression is equivalent to the image?
412
413
412 x 3
413 x 3
- 8. Multiple-choice5 minutes1 pt
Simplify the expression.
1/5
1
125
625
- 9. Multiple-choice5 minutes1 pt
Which expression is equivalent to the image?
-81
-12
1/12
1/81
- 10. Multiple-choice5 minutes1 pt
Which expression is equivalent to the image?
1 / 310
1 / 36
32
34
- 11. Multiple-choice5 minutes1 pt
Approximately 2 x 104 vehicles drive across the top of Hoover Dam between Nevada and Arizona daily. How many days will it take until the one-millionth car crosses the dam?
5
50
500
5000
- 12. Multiple-choice5 minutes1 pt
The distance from Earth to the Sun is approximately 9 x 107 miles. The distance from Earth to the moon is approximately 2 x 105 miles. Approximately how many times the distance from the Earth to the Moon is the distance from Earth to the Sun?
18
45
222
450
- 13. Multiple-choice5 minutes1 pt
A small paper clip weighs about 0.0005 kilogram. What is 0.0005 written in scientific notation?
5 x 10-4
5 x 10-3
5 x 103
5 x 104
- 14. Multiple-choice5 minutes1 pt
The mass of the Earth is 3 x 10-6 times the mass of the Sun. If the mass of the Sun is 2 x 1030 kilograms, what is the mass of the Earth, in kilograms?
6 x 1036
6 x 1024
6 x 10-5
6 x 10-180
- 15. Multiple-choice5 minutes1 pt
An adult red panda weighs about 5.0 × 103 grams. An adult giant panda weighs about 1.5 × 105 grams. About how many times larger is the giant panda than the red panda?
2
3
20
30
- 16. Multiple-choice5 minutes1 pt
The average distance from Jupiter to the Sun is about 7.784 × 108 km. How should this distance be written in standard form?
778,400,000,000 km
7,784,000,000 km
778,400,000 km
77,840,000 km
- 17. Multiple-choice5 minutes1 pt
Which expression is equivalent to
(8 x 10-2)(2.4 x 10-3)
19.2 x 106
19.2 x 105
1.92 x 10-4
1.92 x 10-6
- 18. Multiple-choice5 minutes1 pt
A ship weighs 1.2 x 104 tons when it is empty. The ship’s cargo, fuel, and crew weigh a total of 4.6 x 103 tons. What is the total weight of the ship with the cargo, fuel, and crew on board?
5.8 x 104
4.72 x 104
1.66 x 104
1.246 x 104
- 19. Multiple-choice5 minutes1 pt
One micron (a millionth of a meter) is equivalent to 3.937 x 10-5 inch. One thousand microns would be equivalent to what part of an inch?
3.937 x 10-8
3.937 x 10-5
3.937 x 10-2
3.937 x 102
- 20. Multiple-choice5 minutes1 pt
The distance from Tallahassee, Florida, to London, England, is 4.368 x 103 miles. The distance from London, England, to Tokyo, Japan, is 6.424 x 103 miles. If you were to fly from Tallahassee to London and then to Tokyo, how many miles would you have traveled?
2.056 x 103
28.06 x 103
1.0792 x 104
10.792 x 106
- 21. Multiple-choice5 minutes1 pt
Which expression is equivalent to
3.25 x 106 + 3.25 x 105
3.575 x 102
2.925 x 106
3.575 x 106
6.5 x 1011
- 22. Multiple-choice5 minutes1 pt
Which value is equivalent to
2.4 x 104 - 1.7 x 102
238,300
23,830
2,230
70
- 23. Multiple-choice5 minutes1 pt
What is the value of the expression in the image?
2,000
4,500
15,000,000
20,000,000
