Page 366 - Basic College Mathematics with Early Integers

Chapter 4 Review

(4.1) Determine the place value of the number 4 in each decimal.

1. 23.45 2. 0.000345

Write each decimal in words.

3. -23.45 4. 0.00345

5. 109.23 6. 200.000032

Write each decimal in standard form.

7. Two and seven hundredths 8. Negative five hundred three and one hundred two
thousandths
9. Sixteen thousand twenty-five and fourteen 10. Fourteen and eleven thousandths
ten-thousandths

Write each decimal as a fraction or a mixed number.

11. 0.16 12. 0.55 13. -12.023 14. 25.25

Insert 6, 7, or = between each pair of numbers to make a true statement.

15. 0.49 0.43 16. 0.973 0.9730

17. -402.00032 -402.000032 18. -0.230505 -0.23505

Round each decimal to the given place value.

19. 0.623, nearest tenth 20. 0.9384, nearest hundredth

21. -42.895, nearest hundredth 22. 16.34925, nearest thousandth

Write each number in standard notation. (See Section 4.1 and Section 4.3.)

23. Saturn is a distance of about 887 million miles from 24. The tail of a comet can be over 600 thousand miles
the Sun. long.

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