NCERT Solutions for Class 8 Maths Chapter 12 Exponents and Powers Ex 12.1

# NCERT Solutions for Class 8 Maths Chapter 12 Exponents and Powers Ex 12.1

## NCERT Solutions for Class 8 Maths Chapter 12 Exponents and Powers Ex 12.1

NCERT Solutions for Class 8 Maths Chapter 12 Exponents and Powers Ex 12.1 are the part of NCERT Solutions for Class 8 Maths. Here you can find the NCERT Solutions for Class 8 Maths Chapter 12 Exponents and Powers Ex 12.1.

Evaluate:
(i) 3-2
(ii) (-4)-2
(iii) (1/2)−5

Solution:

### Ex 12.1 Class 8 Maths Question 2.

Simplify and express the result in power notation with positive exponent:
(i) (-4)5 ÷ (-4)8
(ii) (1/23)2
(iii) (-3)4 × (5/3)4
(iv) (3-7 ÷ 3-10) × 3-5

Solution:

### Ex 12.1 Class 8 Maths Question 3.

Find the value of:
(i) (30 + 4-1) × 22
(ii) (2-1 × 4-1) ÷ 2-2
(iii) (1/2)2+ (1/3)2 + (1/4)2
(iv) (3-1 + 4-1 + 5-1)0
(v) {(−2/3)2}2

Solution:

### Ex 12.1 Class 8 Maths Question 4.

Evaluate:
(i) (81 × 53)/24
(ii) (5-1 × 2-1) × 6-1

Solution:

### Ex 12.1 Class 8 Maths Question 5.

Find the value of m for which 5m + 5-3 = 55.

Solution:

Solution:

### Ex 12.1 Class 8 Maths Question 7.

Solution:

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