Exponents and Chapter 13 - NCERT

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The number 10 4 is read as 10 raised to the power of 4 or simply as fourth power of 10. 10 4 is called the exponential form of 10,000. We can similarly express 1 ,000 as a power of 10. Note that 1000 = 10 × 10 × 10 = 103 Here again, 10 3 is the exponential form of 1,000. Similarly , 1,00,000 = 10 × 10 × 10 × 10 × 10 = 105

  Power, Exponent