Basic Mathematics for College Students

10. a. Insert commas in the proper positions for the
    following whole number written in standard form:
    5467010
    b. Insert commas in the proper positions for the
    following whole number written in words:
    seventy-two million four hundred twelve thousand
    six hundred thirty-five


11. Write each number in words.

a. 40 b. 90

c. 68 d. 15

12. Write each number in standard form.

a. 8 ten thousands + 1 thousand + 6 hundreds + 9 tens

+ 2 ones

b. 900,000 + 60,000 + 5,000 + 300 + 40 + 7

Graph the following numbers on a number line.

13. 1, 3, 5, 7

14. 0, 2, 4, 6, 8

15. 2, 4, 5, 8

16. 2, 3, 5, 7, 9

17. the whole numbers less than 6


18. the whole numbers less than 9


19. the whole numbers between 2 and 8


20. the whole numbers between 0 and 6

NOTATION

Fill in the blanks.

21. The symbols { }, called , are used when
    writing a set.


22. The symbol means , and the
    symbol means.



0 1 2 3 456 7 89 10

0 1 2 3 4 56 789 10

0 1 2 3 456 7 89 10

0 1 2 3 4 56 789 10

0 1 2 3 456 7 89 10

0 1 2 3 456 7 89 10

0 1 2 3 4 56 789 10

0 1 2 3 4 56 789 10

GUIDED PRACTICE

Find the place values.See Example 1.

23. Consider the number 57,634.
    a. What is the place value of the digit 3?
    b. What digit is in the thousands column?
    c. What is the place value of the digit 6?
    d. What digit is in the ten thousands column?


24. Consider the number 128,940.
    a. What is the place value of the digit 8?
    b. What digit is in the hundreds column?
    c. What is the place value of the digit 2?
    d. What digit is in the hundred thousands column?


25. WORLD HUNGER On the website Freerice.com,
    sponsors donate grains of rice to feed the hungry. As
    of October 2008, there have been 47,167,467,790
    grains of rice donated.
    a. What is the place value of the digit 1?
    b. What digit is in the billions place?
    c. What is the place value of the 9?
    d. What digit is in the ten billions place?


26. RECYCLING It is estimated that the number of
    beverage cans and bottles that were not recycled in the
    United States from January to October of 2008 was
    102,780,365,000.
    a. What is the place value of the digit 7?
    b. What digit is in the ten thousands place?
    c. What is the place value of the digit 2?
    d. What digit is in the ten billions place?

Write each number in words.See Example 2.

27. 93


28. 48


29. 732


30. 259


31. 154,302


32. 615,019


33. 14,432,500


34. 104,052,005


35. 970,031,500,104


36. 5,800,010,700


37. 82,000,415


38. 51,000,201,078

1.1 An Introduction to the Whole Numbers 11