EXERCISE 1.1 Rational Numbers
1. Name the property under multiplication used in each of the following.
(i)
-4
5
× 1 = 1 ×
-4
5
=
-4
5
Multiplicative Identity Property
(ii)
-19
29
×
29
-19
= 1
Multiplicative Inverse Property
(iii)
-13
17
×
-2
7
=
-2
7
×
-13
17
Commutative Property
2. Tell what property allows you to compute
1
3
×
(6 ×
4
3
)
as
(
1
3
× 6) ×
4
3
.
Associative Property of Multiplication
3. The product of two rational numbers is always a ______.
Rational Number