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Can someone tell me how do I solve this. how is the result 2.40 we still have not learned log in school​
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Can someone tell me how do I solve this. how is the result 2.40

we still have not learned log in school​

Can someone tell me how do I solve this. how is the result 2.40 we still have not-example-1
User Savaratkar
by
8.3k points

1 Answer

1 vote

Explanation:

Properties used

  • logₐ a = 1
  • log aᵇ = b log a
  • log ab = log a + log b

See the steps below

  • - log (4*10⁻³) =
  • - (log 4 + log 10⁻³) = (log 4 ≈ 0.6 rounded)
  • - (0.6 - 3*log 10) =
  • - (0.6 - 3*1) =
  • - (0.6 - 3) =
  • - (- 2.4) =
  • 2.4
User Michael Bowersox
by
8.0k points
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