NCERT Class 8 Mathematics Solutions: Chapter 12 –Exponents and Powers Exercise 12.2 Part 3

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Understanding of exponent and base with example.

Understanding of Exponent and Base

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1. Express the number appearing in the following statements in standard form:

(i) micron is equal to m.

(ii) Charge of an electron is coulomb.

(iii) Size of a bacteria is .

(iv) Size of a plant cell is .

(v) Thickness if a thick paper is .

Answer:

(i) micron

(ii) Charge of an electron is coulombs.

coulomb

(iii) Size of bacteria

(iv) Size of a plant cell is

(v) Thickness of a thick paper