Page 339 - Basic College Mathematics with Early Integers

Vocabulary and Readiness Check

Use the choices below to fill in each blank. Some choices may be used more than once, and some not used at all.

dividend divisor quotient true
zeros left right false
1. In 6.5 , 5 = 1.3 , the number 1.3 is called the , 5 is the , and 6.5 is the .
2. To check a division exercise, we can perform the following multiplication: quotient # = .
3. To divide a decimal number by a power of 10 such as 10, 100, 1000, and so on, we move the decimal point in the
number to the the same number of places as there are in the power of 10.
4. True or false: If we replace x with -12.6 and y with 0.3 in the expression y , x , we have 0.3 , (-12.6).

Recall properties of division and simplify without the use of paper and pencil.

5.9 0.7 0 2.36
5. 6. 7. 8.
1 0.7 9.86 0
7.261 8.25 11.1 0
9. 10. 11. 12.
7.261 1 0 89.96

FOR EXTRA HELP
4.4 Exercise Set

Objectives Mixed Practice Divide. See Examples 1 through 5 and 7. For those exercises marked, also estimate
to see if the answer is reasonable.

1. 313.8 2. 211.8 3. 50.47 4. 60.51 5. 0.0618

6. 0.0420 7. 0.541.404 8. 0.734.526 9. 5.536.3 10. 2.221.78
Exact: Exact:
Estimate: Estimate:

11. 7.434 , 18 12. 8.304 , 16 13. 36 , (-0.06) 14. 36 , (-0.04) 15. Divide -4.2 by
-0.6 .

16. Divide -3.6 by 17. 0.271.296 18. 0.342.176 19. 0.0242 20. 0.0324
-0.9 .

21. 4.756 , 0.82 22. 3.312 , 0.92 23. -36.3 , (-6.6) 24. -21.78 , (-9.9) 25. 7.270.56
Exact:
Estimate:
Copyright 2012 Pearson Education, Inc.
1.215 3.213
26. 6.354.18 27. 5.451.84 28. 7.733.88 29. 30.
0.027 0.051
Exact:
Estimate:

31. 0.2513.648 32. 0.7549.866 33. 3.780.02079 34. 2.960.01332

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