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Logarithm, SMB-023

Solve  `log_16 2=x`  for `x`.  (2 marks)

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`0.25`

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`log_16 2` `=x`  
`16^x` `=2`  
`log_10 16^x` `=log_10 2`  
`x log_10 16` `=log_10 2`  
`x` `=(log_10 2)/(log_10 16)`  
  `=0.25`  

Filed Under: Logarithms Tagged With: num-title-ct-patha, smc-4243-05-Solve by log definition, smc-4243-70-Solve exponentials

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