Quotient rule of logarithms

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  1. Without using a calculator, evaluate: logโก5(25รท35) {\log_5(25 \div {^3}\sqrt{5})}
    1. Evaluate:
      1. logโก28000โˆ’logโก21000\log_2 8000 - \log_2 1000
      2. logโก500โˆ’logโก5\log 500 - \log 5
    Topic Notes
    logโกb(XรทY)=logโกbXโˆ’logโกbY \log_b(X \div Y) = \log_b X - \log_b Y