In this chapter, we provide KSEEB SSLC Class 8 Maths Chapter 7 Rational Numbers Ex 7.3 for English medium students, Which will very helpful for every student in their exams. Students can download the latest KSEEB SSLC Class 8 Maths Chapter 7 Rational Numbers Ex 7.3 pdf, free KSEEB SSLC Class 8 Maths Chapter 7 Rational Numbers Ex 7.3 pdf download. Now you will get step by step solution to each question.

**Karnataka State Syllabus Class 8 Maths Chapter 7 Rational Numbers Ex 7.3**

## Karnataka Board Class 8 Maths Chapter 7 Rational Numbers Ex 7.3

1. Name the property indicated in the following:

Question (i)

315+115 = 430

Answer:

Closure property of addition

Question (ii)

34×95=2720

Answer:

Closure property of multiplication.

Question (iii)

5 + 0 = 0 + 5 = 5

Answer:

0 is the additive identity.

Question (iv)

89×1=89

Answer:

1 is the multiplicative identity

Question (v)

817+−817=0

Answer:

−817

Question (vi)

2223×2322=1

Answer:

2322 is the multiplicative identity

2. Check the commutative property of addition for the following pairs.

Question (i)

102201,34

Answer:

Question (ii)

−813,2327

Answer:

Question (iii)

−79,−1819

Answer:

a + b = b + a

3. Check the commutative property of multiplication for the following pairs

Question (i)

2245,34

Answer:

Question (ii)

−713,2527

Answer:

Question (iii)

−89,−1719

Answer:

4. Check the distributive property for the following triples of rational numbers.

Question (i)

18,19,110

Answer:

Question (ii)

−49,65,1110

Answer:

Question (iii)

38,0,137

Answer:

5. Find the additive inverse of each of the following numbers.

Question (1)

85

Answer:

−85

Question (2)

610

Answer:

−610

Question (3)

−38

Answer:

38

Question (4)

−163

Answer:

163

Question (5)

−41

Answer:

41

6. Find the multiplicative inverse of each of the following numbers.

Question (1)

2

Answer:

12

Question (2)

611

Answer:

116

Question (3)

−815

Answer:

−158

Question (4)

1918

Answer:

1819

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