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

We have compiled the NCERT MCQ Questions for Class 7 Maths Chapter 13 Exponents and Powers with Answers Pdf free download covering the entire syllabus. Practice MCQ Questions for Class 7 Maths with Answers on a daily basis and score well in exams. Refer to the Exponents and Powers Class 7 MCQs Questions with Answers here along with a detailed explanation.

## Exponents and Powers Class 7 MCQs Questions with Answers

Choose the correct option.

Question 1.
The exponential form of 3125 is
(a) 5²
(b) 5³
(c) 54
(d) 55

Question 2.
The value of (-2)4 is ………..
(a) -16
(b) 16
(c) 8
(d) – 8

Question 3.
If (-3)4 × (-3)6 = (-3)x then x = ………….
(a) -10
(b) 10
(c) – 4
(d) – 6

Question 4.
The value of 3° × 4° × 5° is ………..
(a) 60
(b) 0
(c) 1
(d) 3

Question 5.
If x is a rational number and ‘a’ and ‘b’ are whole numbers then the value of xa × xb is
(a) xa-b
(b) xab
(c) x$$\frac {a}{b}$$
(d) xa+b

Question 6.
If x is a rational number ‘a’ and ‘b’ (a > b) are whole numbers, then the value of xa ÷ xb is
(a) xa+b
(b) xa-b
(c) x$$\frac {a}{b}$$
(d) xab

Question 7.
The value of $$\frac {3^8}{3^5×3^3}$$ is …………
(a) 1
(b) 3
(c) 5
(d) 8

Question 8.
20,00,000 in standard form is
(a) 0.2 × 105
(b) 2.0 × 106
(c) 10.2 × 106
(d) 10.2 × 105

Question 9.
3430000 in standard form is
(a) 3.43 × 106
(b) 3.43 × 104
(c) 3.43 × 10²
(d) 3.43 × 10°

Question 10.
1.2 × 1010 in the normal form is
(a) 120000000000
(b) 12000000
(c) 12000000
(d) 12000 000 000

Question 11.
The value of ($$\frac {3}{4}$$)° is
(a) 0
(b) 1
(c) -1
(d) None of these

Question 12.
The value of (-1)² is
(a) 0
(b) -1
(c) 1
(d) None of these

Fill in the blanks

Question 1.
5° × 3° is ……………..

Question 2.
$$\frac {64}{729}$$ is expressed in power notation as ………………

Question 3.
($$\frac {-3}{5}$$) × ($$\frac {-3}{5}$$) × ($$\frac {-3}{5}$$) × ($$\frac {-3}{5}$$) × ($$\frac {-3}{5}$$) × ($$\frac {-3}{5}$$)
is expressed in exponential form as ……………..

Question 4.
Simplify ($$\frac {5}{11}$$)6 ÷ ($$\frac {5}{11}$$)7 the result ………………..

Answer: $$\frac {11}{5}$$

Question 5.
The value of (10) × (-10)³ is ………………..

Question 6.
($$\frac {2}{3}$$)² × ($$\frac {2}{3}$$)³ = ……………………..

Answer: ($$\frac {2}{3}$$)5

Question 7.
($$\frac {1}{2}$$)5 + ($$\frac {1}{2}$$)³ = ……………………..

Answer: ($$\frac {1}{2}$$)5-3

Question 8.
(2 × 3)° = …………………

{$$\frac {2^1}{3^3}$$}° = …………………