Fundamentals of Mathematics, 2008a

255
Exercise 4.5.104 (Solution on p. 287.)
3
5 ·
√
25
81
Exercise 4.5.105
) √ 2
·
( 8
5
25
64
Exercise 4.5.106 (Solution on p. 287.)
( √
1
3 2
4)
·
4
49
Exercise 4.5.107
( √ √
2
2 2
3)
·
36
49 · 64
81
4.5.7.1 Exercises for Review
Exercise 4.5.108 (Solution on p. 287.)
(Section 1.2) How many thousands in 342,810?
Exercise 4.5.109
(Section 1.5) Find the sum of 22, 42, and 101.
Exercise 4.5.110 (Solution on p. 287.)
(Section 2.5) Is 634,281 divisible by 3?
Exercise 4.5.111
(Section 3.4) Is the whole number 51 prime or composite?
Exercise 4.5.112 (Solution on p. 287.)
(Section 4.4) Reduce 36
150
to lowest terms.
4.6 Division of Fractions 6
4.6.1 Section Overview
• Reciprocals
• Dividing Fractions
4.6.2 Reciprocals
Reciprocals
Two numbers whose product is 1 are called reciprocals of each other.
4.6.2.1 Sample Set A
The following pairs of numbers are reciprocals.
Example 4.46
3
4 and4 } {{
3
}
3
4 · 4
3 = 1
6 This content is available online at .
Available for free at Connexions