# Class 8 Maths MCQ – Exponents and Powers

This set of Class 8 Maths Chapter 12 Multiple Choice Questions & Answers (MCQs) focuses on “Exponents and Powers”. These MCQs are created based on the latest CBSE syllabus and the NCERT curriculum, offering valuable assistance for exam preparation.

1. What is the multiplicative inverse of 10-3?
a) 100
b) -100
c) $$\frac{1}{1000}$$
d) 1000

Explanation: Multiplicative inverse of an = $$\frac{1}{a^n}$$
⇒ Multiplicative inverse of 10-3 = 103 = 1000.

2. What is the value of 10-6?
a) -0.000010
b) -0.0000010
c) 0.000010
d) 0.0000010

Explanation: a-m = $$\frac{1}{a^m}$$
⇒ 10-6 = 0.000010.

3. Find the value of 3-2.
a) $$\frac{1}{9}$$
b) –$$\frac{1}{9}$$
c) 8
d) $$\frac{1}{8}$$

Explanation: a-m = $$\frac{1}{a^m}$$
⇒ 3-2 = $$\frac{1}{3^2} = \frac{1}{9}$$.

4. Find the unknown value: $$\frac{1}{729}$$ = 9.
a) -4
b) -3
c) 3
d) 4

Explanation: a-m = $$\frac{1}{a^m}$$
⇒ 9-3 = $$\frac{1}{9^3} = \frac{1}{729}$$.

More MCQs on Class 8 Maths Chapter 12:

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To practice all chapters and topics of class 8 Mathematics, here is complete set of 1000+ Multiple Choice Questions and Answers.