# Exponents and Powers MCQ Questions for Class 7 Maths Chapter 13 with Answers

We have completed the NCERT/CBSE chapter-wise Multiple Choice Questions for Class 7 Mathematics book Chapter 13 Exponents and Powers with Answers by expert subject teacher for latest syllabus and examination. You can Prepare effectively for the exam taking the help of the Class 7 Maths Objective Questions PDF free of cost from here. Students can take a free test of the Multiple Choice Questions of Exponents and Powers. Each Questions has four options followed by the right answer. Download the Maths Quiz Questions with Answers for Class 7 free Pdf and prepare to exam and help students understand the concept very well.

## Q1. The value of (−1)47 is

(i) -1
(ii) 1
(iii) 0
(iv) None of these

(i) -1

(i) -16
(ii) 16
(iii) 8
(iv) – 8

(ii) 16

## Q3. Simplify 2 × 10³.

(i) 1000
(ii) 2000
(iii) 16000
(iv) None of these

(ii) 2000

## Q4. The exponential form of 81 is

(i) 34
(ii) 3³
(iii) 3²
(iv) none of these

(i)

(i) 2³
(ii) 3²
(iii) 4²
(iv) 5³

(iv) 5³

## Q6. Multiplicative inverse of 1/7 is

(i) 14
(ii) 7
(iii) 49
(iv) None of these

(ii) 7

(i) 60
(ii) 0
(iii) 1
(iv) 3

(iii) 1

## Q8. The short notation 104 stands for the product.

(i) 10 × 10 × 10 × 10
(ii) 4 × 10
(iii) 10 + 10 + 10 + 10
(iv) None of these

(i) 10 × 10 × 10 × 10

## Q9. The exponential form of 32 is

(i) 2³
(ii) 24
(iii) 25
(iv) none of these

(iii)

## Q10. Express the following in exponential form.a×a×a×c×c×d×d×d×d

(i) a³ × c² × d4
(ii) d² × a³ × c
(iii) d² × a² × c
(iv) c³ × d4

(i)

## Q11. The value of 7° is __ .

(i) 7
(ii) 21
(iii) 1
(iv) None of these

(iii) 1

## Q12. 1.2 × 1010 in the normal form is

(i) 120000000000
(ii) 12000000
(iii) 12000000
(iv) 12000 000 000

(iv) 12000 000 000

## Q13. The value of (−1)91 is

(i) 1
(ii) 0
(iii) -1
(iv) None of these

(iii) -1

(i) 5²
(ii) 5³
(iii) 54
(iv) 55

(iii)

(i) 800
(ii) -800
(iii) -400
(iv) -500

(ii) -800

(i) 2³
(ii) 24
(iii) 29
(iv) 2

(iii)

## Q17. Express using exponential notation 343.

(i) 37
(ii) 7³
(iii) 7
(iv) None of these

(ii) 7³

(i) 8
(ii) -8
(iii) 16
(iv) -16

(ii) -8

(i) 9³
(ii) 34
(iii) 36
(iv) 3²

(iii)

## Q20. In 104, 10 is called :

(i) Base
(ii) Power
(iii) Exponent
(iv) None of these

(i) Base

(i) 8
(ii) 2
(iii) 6
(iv) 10

(i) 8

(i) 5² × 3²
(ii) 2² × 3³
(iii) 3 × 5 × 2³
(iv) 3 × 5² × 2

(iii) 3 × 5 × 2³

## Q23. Multiplicative inverse of 1/5 is

(i) 10
(ii) 3
(iii) 5
(iv) None of these

(iii) 5

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