Fundamentals of Mathematics, 2008a

76 CHAPTER 1. ADDITION AND SUBTRACTION OF WHOLE NUMBERS
Solutions to Exercises in Chapter 1
Solution to Exercise 1.2.1 (p. 10)
Yes. Letters are symbols. Taken as a collection (a written word), they represent a number.
Solution to Exercise 1.2.2 (p. 12)
ve thousand
Solution to Exercise 1.2.3 (p. 12)
four hundred billion
Solution to Exercise 1.2.4 (p. 12)
zero tens, or zero
Solution to Exercise 1.2.5 (p. 13)
Solution to Exercise 1.2.6 (p. 13)
4, 5, 6, 113, 978
Solution to Exercise 1.2.7 (p. 14)
concept
Solution to Exercise 1.2.9 (p. 14)
Yes, since it is a symbol that represents a number.
Solution to Exercise 1.2.11 (p. 14)
positional; 10
Solution to Exercise 1.2.13 (p. 14)
ones, tens, hundreds
Solution to Exercise 1.2.15 (p. 14)
4
Solution to Exercise 1.2.17 (p. 14)
0
Solution to Exercise 1.2.19 (p. 14)
0
Solution to Exercise 1.2.21 (p. 14)
ten thousand
Solution to Exercise 1.2.23 (p. 14)
6 ten millions = 60 million
Solution to Exercise 1.2.25 (p. 14)
1,340 (answers may vary)
Solution to Exercise 1.2.27 (p. 15)
900
Solution to Exercise 1.2.29 (p. 15)
yes; zero
Solution to Exercise 1.2.31 (p. 15)
graphing
Solution to Exercise 1.2.33 (p. 15)
Solution to Exercise 1.2.35 (p. 15)
61, 99, 100, 102
Solution to Exercise 1.3.1 (p. 17)
Twelve thousand, ve hundred forty-two
Solution to Exercise 1.3.2 (p. 17)
One hundred one million, seventy-four thousand, three
Available for free at Connexions