10-2 Practice
The Real Number System
Name all of the sets of numbers to which each real numbe...
Mathematics, 23.03.2021 20:10 riverviewfarm2133
10-2 Practice
The Real Number System
Name all of the sets of numbers to which each real number belongs. Let
W = whole numbers, Z = integers, Q = rational numbers, and I = irrational
numbers.
1. 15 2. โ 41 3. 1
โ
4
4.
1
โ
3
5. 0.212121. . . 6. โ8
7. โ45 8. โ
36
9 9. โ โ
28
7
10. 2.31 11. 45.6 12. 0.090090009. . .
Determine whether each statement is sometimes, always, or never true.
13. A decimal number is an irrational number.
14. An integer is a whole number.
15. A whole number is an integer.
16. A negative integer is a whole number.
Replace each โ with < , >, or = to make a true statement.
17. 3.2 โ โ9.5 18. 1 1
โ
2
โ โ3
19. โ17 โ 4.1 20. โ7.84 โ 2.8
21. 1 3
โ
4 โ โ 3.0625 22. 3.67 โ โ12
Order each set of numbers from least to greatest.
23. โ49 , 6. โโ91, 7 1
โ
8
, โ
15
2
24. 4 1
โ
3
, โ43 , โ
12
3 , 4.13
25. -2, -1.5, -1 โ
8
10, -โ6
ALGEBRA Solve each equation. Round to the nearest tenth, if necessary.
26. h2 = 361 27. k2 = 10.24 28. c 2 = 111
29. 330 = t 2
30. 0.089 = u2
31. w2 = 0.0144
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.
How many feet of fencing does he need to surround the garden?
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