Ex 12.2, 1 - Express the numbers in standard form (i) 0.0000000000085

 

  1. Chapter 12 Class 8 Exponents and Powers
  2. Serial order wise

Transcript

Ex 12.2, 1 Express the following numbers in standard form. (i) 0.0000000000085 0.0000000000085 = 85/10000000000000 = 85/〖10〗^13 = 85 × 〖10〗^(−13) = (8.5 × 10) × 〖10〗^(−13) = 8.5 × (10×〖10〗^(−13)) = 8.5 × 〖10〗^(1 + (−13)) = 8.5 × 〖10〗^(1 − 13) = 8.5 × 〖𝟏𝟎〗^(−𝟏𝟐) (Using 𝑎^𝑚×𝑎^𝑛=𝑎^(𝑚 + 𝑛))

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