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NCERT Solutions for Class 7 Maths Chapter 13 Exponents and Powers Ex 13.1

Here, below you all know about NCERT Solutions for Class 7 Maths Chapter 13 Exponents and Powers Ex 13.1 Question Answer. I know many of you confuse about finding this Chapter 13 Exponents and Powers Ex 13.1 Of Class 7 NCERT Solutions. So, Read the full post below and get your solutions.

TextbookNCERT
BoardCBSE
CategoryNCERT Solutions
ClassClass 7
SubjectMaths
ChapterChapter 13
ExerciseExponents and Powers Exercise 13.1
Number of Questions Solved8
NCERT Solutions for Class 7 Maths Chapter 13 Exponents and Powers Ex 13.1

NCERT Solutions for Class 7 Maths Chapter 13 Exponents and Powers Ex 13.1

NCERT TEXTBOOK EXERCISES

Question 1. Find the value of:

  1. 26
  2. 93
  3. 112
  4. 54.

Solution:

  1. 26 = 2 × 2 × 2 × 2 × 2 × 2 = 64
  2. 93 = 9 × 9 × 9 = 729
  3. 112 = 11 × 11 = 121
  4. 54 = 5 × 5 × 5 × 5 = 625.

Question 2. Express the following in exponential form:

  1. 6 × 6 × 6 × 6
  2. t × t
  3. b × b × b × b
  4. 5 × 5 × 7 × 7 × 7
  5. 2 × 2 × a × a
  6. a × a × a × c × c × c × c × d.

Solution:

  1. 6 × 6 × 6 × 6 = 64
  2. t × t = t2
  3. b × b × b × b = b4
  4. 5 × 5 × 7 × 7 × 7 = 52 × 73
  5. 2 × 2 × a × a = 22 × a2
  6. a × a × a × c × c × c × c × d = a3 × c4 × d.

Question 3. Express each of the following numbers using the exponential notation:

(i) 512
(ii) 343
(iii) 729
(iv) 3125.

Solution:

Question 4. Identify wherever possible, in each of the following?

Solution:

Question 5. Express each of the following as a product of powers of their prime factors:

(i) 648
(ii) 405
(iii) 540
(iv) 3600

Solution:

Question 6. Simplify:

Solution:

Question 7. Simplify:

Solution:

Question 8. Compare the following numbers:

Solution:

NCERT Solutions for Class 7 Maths Chapter 13 Exponents and Powers Ex 13.1 PDF

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Class 7 Maths Chapter 13 Exponents and Powers

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