NCERT Solutions for Class 8 Maths Chapter 1 Rational Numbers Exercise 1.1

NCERT Solutions for Class 8 Maths Chapter 1 Rational Numbers Exercise 1.1

1. Name the property under multiplication used in each of the following. 

(i) `\frac{-4}5\times1=1\times\frac{-4}5=-\frac{4}5`

Ans: 1 is the Multiplicative Identity

(ii) `\frac{-13}{17}\times\frac{-2}7=\frac{-2}7\times\frac{-13}{17}`

Ans: Commutativity

(iii) `\frac{-19}{29}\times\frac{19}{-29}=1`

Ans: Multiplicative Inverse

2. Tell what property allows you to compute `\frac{1}3\times\left(6\times\frac{4}3\right)` as `\left(\frac{1}3\times6\right)\times\frac{4}3`

Ans: Associativity

3. The product of two rational numbers is always a ___.

Ans: Rational Number