We have compiled the NCERT MCQ Questions for Class 8 Maths Chapter 12 Exponents and Powers with Answers Pdf free download covering the entire syllabus. Practice MCQ Questions for Class 8 Maths with Answers on a daily basis and score well in exams. Refer to the Exponents and Powers Class 8 MCQs Questions with Answers here along with a detailed explanation.

## Exponents and Powers Class 8 MCQs Questions with Answers

Choose the correct option.

Question 1.

The value of (\(\frac {3}{5}\))³ × (\(\frac {3}{5}\))^{4} × (\(\frac {3}{5}\))² is …………

(a) (\(\frac {3}{5}\))^{9}

(b) (\(\frac {3}{5}\))^{5}

(c) (\(\frac {3}{5}\))^{4}

(d) (\(\frac {3}{5}\))^{5}

## Answer

Answer: (a) (\(\frac {3}{5}\))^{9}

Question 2.

The value of (3° + 5°) × 2² is.

(a) 8

(b) \(\frac {3}{4}\)

(c) 12

(d) 0

## Answer

Answer: (a) 8

Question 3.

Which of the following is the value of ‘m’ in 9^{m} ÷ 9^{-3} = 9^{5}?

(a) – 3

(b) – 2

(c) 3

(d) 2

## Answer

Answer: (d) 2

Question 4.

Which of the following is the standard form of 0.00001275?

(a) 1.275 × 10^{5}

(b) 1.275 × 10^{-5}

(c) 127.5 × 10^{-7}

(d) 127.10^{7}

## Answer

Answer: (b) 1.275 × 10^{-5}

Question 5.

Which of the following is the reciprocal of (\(\frac {-3}{4}\))

(a) \(\frac {-4}{3}\)

(b) \(\frac {4}{3}\)

(c) -1

(d) 1

## Answer

Answer: (a) \(\frac {-4}{3}\)

Question 6.

If (-2)^{m+1} × (-2)^{4} = (-2)^{6} then the value of m is

(a) 0

(b) 1

(c) -1

(d) 4

## Answer

Answer: (b) 1

Question 7.

The value of (2° + 3° + 5°) is equal to

(a) 2

(b) 3

(c) 1

(d) 4

## Answer

Answer: (b) 3

Question 8.

2.1 × 10^{-6} is equal to

(a) 0.0000021

(b) 0.00002.1

(c) 0.00021

(d) 0.0021

## Answer

Answer: (a) 0.0000021

Question 9.

The standard form of 0.0016 is equal to

(a) 1.6 × 10^{-3}

(b) 1.6 × 10^{-2}

(c) 1.6 × 10^{-4}

(d) 1.6 × 10^{-5}

## Answer

Answer: (d) 1.6 × 10^{-5}

Question 10.

Which of the following is the value of

(a) 0

(b) -1

(c) 1

(d) none of these

## Answer

Answer: (b) -1

Question 11.

Which of the following is the value of’m’ in

6^{m} ÷ 6^{-3} = 6^{5}

(a) -3

(b) -2

(c) 3

(d) 2

## Answer

Answer: (d) 2

Fill in the blanks

Question 1.

The value of x + x³ × x is ……………….. where x = 5

## Answer

Answer: 630

Question 2.

The reciprocal of (-\(\frac {1}{5}\))^{-1} ÷ (\(\frac {1}{30}\))° is ………………

## Answer

Answer: –\(\frac {1}{5}\)

Question 3.

The value of x, when 7^{2x+1} ÷ 49 = 7³ is ………………….

## Answer

Answer: 2

Question 4.

The value of (\(\frac {2}{3}\))^{-2} is ………………….

## Answer

Answer: \(\frac {9}{4}\)

Question 5.

The value of ‘m’ when 6^{m} ÷ 6^{-3} = 6^{5} is ……………………..

## Answer

Answer: 2

Hope the information shed above regarding NCERT MCQ Questions for Class 8 Maths Chapter 12 Exponents and Powers with Answers Pdf free download has been useful to an extent. If you have any other queries of CBSE Class 8 Maths Exponents and Powers MCQs Multiple Choice Questions with Answers, feel free to reach us so that we can revert back to us at the earliest possible.