NCERT Solutions for Class 8 Maths Chapter 12 Exponents and Powers Exercise 12.2

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NCERT Solutions for Class 8 Maths Chapter 12 Exponents and Powers Exercise 12.2 are given in this article. The exercise discusses the important concept of using exponents to express small numbers in standard forms and comparing large and small numbers

The exercise questions are based on expressing given numbers in exponential and standard form. Exercise 12.2 also has problem-based questions involving real-life problems which employ small numbers.

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Examples From Chapter 12 Exponents and Powers

  1. What is the standard form of 0.00000003673?
  2. Identify the Base in the expression 8x100.
  3. If ‘a’ is a real number and ‘m’ is an integer, with the exponential form as a-m What si the division form?
  4. Simplify 3-2 .

Soln:

  1. 3.673×108
  2. 8
  3. 1/am
  4. 1/9

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