Fundamentals of Mathematics, 2008a

618 CHAPTER 10. SIGNED NUMBERS
Exercise 10.9.69 (Solution on p. 629.)
−28
7
Exercise 10.9.70
−120
−|2|
Exercise 10.9.71 (Solution on p. 629.)
|−66|
−|−3|
10.10 Prociency Exam 11
10.10.1 Prociency Exam
Exercise 10.10.1 (Solution on p. 629.)
(Section 10.2) Write all integers that are strictly between 8 and 3.
Exercise 10.10.2 (Solution on p. 629.)
(Section 10.2) Write all integers that are between and including 2 and 1.
For problems 3-5, write the appropriate symbol (, =) in place of the □ for each pair of numbers.
Exercise 10.10.3 (Solution on p. 629.)
(Section 10.2) 1 □ 1
Exercise 10.10.4 (Solution on p. 629.)
(Section 10.2) 0 □ 3
Exercise 10.10.5 (Solution on p. 629.)
(Section 10.2) 1 □ 2
For problems 6 and 7, what numbers can replace x so that the statement is true?
Exercise 10.10.6 (Solution on p. 629.)
(Section 10.2) −3 ≤ x < 0, x is an integer.
Exercise 10.10.7 (Solution on p. 629.)
(Section 10.2) −4 ≤ x ≤ 0, x is a natural number.
Exercise 10.10.8 (Solution on p. 629.)
(Section 10.2) How many units are there between 3 and 2?
For problems 9-20, nd each value.
Exercise 10.10.9 (Solution on p. 629.)
(Section 10.4) | −16 |
Exercise 10.10.10 (Solution on p. 629.)
(Section 10.4) − | −2 |
Exercise 10.10.11 (Solution on p. 629.)
(Section 10.4) −
(−| −4 | 2)
Exercise 10.10.12 (Solution on p. 629.)
(Section 10.4) | −5 | + | −10 |
Exercise 10.10.13 (Solution on p. 629.)
(Section 10.5) −8 + 6
Exercise 10.10.14 (Solution on p. 629.)
(Section 10.5) −3 + (−8)
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