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Mathematics
8th
grade
Operations with Scientific Notation Practice
23 questions
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- 1. Multiple Choice
(2 x 10-5) + (7 x 10-5)
9 x 10-1014 x 10-59 x 10-51.4 x 10-4 - 2. Multiple Choice(8 x 104) + (4 x 104)12 x 1041.2 x 1051.2 x 1091.2 x 108
- 3. Multiple Choice(8 x 104) - (2 x 104)16 x 101616 x 1086 x 1086 x 104
- 4. Multiple Choice(5 x 106) - (3 x 106)2 x 10122 x 1062 x 10362 x 100
- 5. Multiple Choice(2 x 109)(4 x 10-4)8 x 10138 x 10368 x 1058 x 10-36
- 6. Multiple Choice(5 x 106)(5 x 107)2.5 x 10122.5 x 101425 x 101225 x 1013
- 7. Multiple Choice5 x 1012
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2 x 1062.5 x 1022.5 x 1063 x 1022.5 x 1018 - 8. Multiple Choice2 x 105
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8 x 1022.5 x 1042.5 x 10225 x 103.25 x 103 - 9. Multiple ChoiceHow would you write -5.6 x 10-3 in standard form?0.0056-5,6000.00056-0.0056
- 10. Multiple ChoiceHow would you write 0.0005 in scientific notation?5 x 10-55 x 10-45 x 10-3.5 x 103
- 11. Multiple ChoiceWhich of these are NOT in scientific notation?1.2 x 1035.3 x 1092.0 x 10010 x 102
- 12. Multiple Choice
The mass of a substance is 8 X 109 micrograms. If one microgram is equal to 1 X 10-6 grams, what is its mass in grams?
1.25 X 10-15 grams
1.25 X 10-3 grams
8 X 103 grams
8 X 1015 grams
- 13. Multiple Choice
A rectangular section of land made up of wheat farms has a length of 5 X 104 meters and a width of 6 X 103 meters What is the area of the land in square meters?
3 X 106 m2
3 X 107 m2
3 X 108 m2
3 X 1012 m2
- 14. Multiple Choice
Neptune is approximately 5 X 104 kilometers in diameter. Mars is approximately 7 X 103 kilometers in diameter. What is an accurate comparison of the diameters of these two planets?
The diameter of Neptune is more than 7 times greater than that of Mars.
The diameter of Mars is more than 7 times greater than that of Neptune.
The diameter of Neptune is about 1.4 times greater than the diameter of Mars.
The diameter of Mars is about 1.4 times greater than the diameter of Neptune.
- 15. Multiple ChoiceMultiply:
(3.4 x 105)(1.2 x 10-3)4.08 x 10-84.8 x 1024.08 x 1024.08 x 10-15 - 16. Multiple Choice
Cell A = 4.2 x 10-4
Cell B = 2.1 x 10-5
Cell C = 8.4 x 10-4
Cell C is ___ larger than cell A.
2x
20x
.2x
4x
- 17. Multiple Choice
- 18. Multiple Choice
- 19. Multiple Choice
5.68 x 109
5.69 x 109
5.67 x 109
5.70 x 109
- 20. Multiple ChoiceWhat is the simplified version of3.9 x 1064 x 10204 x 1063.9 x 1020
- 21. Fill in the Blank
Convert the following E Notation to standard from:
3.57096e5
- 22. Fill in the Blank
Convert the following E Notation to standard from:
1.247e2
- 23. Fill in the Blank
Convert the following E Notation to standard from:
9.8e-4
- Answer choicesTagsAnswer choicesTags