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.
- 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 12.2
Ex 12.1 Class 8 Maths Question 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) (8−1 × 53)/2−4
(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:
Ex 12.1 Class 8 Maths Question 6.
Evaluate:
Solution:
Ex 12.1 Class 8 Maths Question 7.
Simplify:
Solution:
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