10. What is 0.000750 in scientific notation?
75 × 10–4
7.5 × 10–3
7.5 × 10–4
7.5 × 10–5
11. What is written as a decimal? (1 point)
4.2
4.3
4.4
4.5
12. The 2010 census data for the populations of three states is shown below. According to the data, which of the following statements is true?
State
Population
Texas
2.5 × 107
Florida
1.9 × 107
Idaho
1.6 × 106
(1 point)
Idaho has a larger population than Florida.
Florida has a larger population than Texas.
Idaho has the smallest population.
Florida has the largest population.
13. What is 2.28 × 10–8 in standard form? (1 point)
228,000,000
22,800,000
0.0000000228
0.000000228
14. Which of the following is an example of an irrational number? (1 point)
–31
1.414213562..
15. Which number is equivalent to 0.3? (1 point)
16. Riding the bus, Roger uses of his money for bus fare. What is the fraction of his money expressed as a decimal? (1 point)
17. Ashley is making cookies. The recipe calls for of a cup of sugar. She needs to make five batches of cookies. How many cups of sugar does Ashley need? (1 point)
3 cups
3 cups
3 cups
3 cups
18. + = (1 point)
19. + () = (1 point)
1
20. 3– 2 = (1 point)
21. • – (1 point)
–1
–
22. ÷ = (1 point)
23. A length of ribbon is yd long. How many pieces yd long can Joy cut from the length of ribbon? (1 point)
1
2
3
4
24. ÷ = (1 point)
–
5
4
3 answers
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