Question 465357
  <pre><font face = "Tohoma" size = 4 color = "indigo"><b> 
Hi,
*[tex \large\ \ nlog_bx = log_b(x^n) ]
*[tex \large\ \ log_bx - log_by = log_b(x/y) ]
 3 log 10 - log 25 - log 4 = log 10^3/25*4 = log 1000/100 = log 10
*[tex \LARGE \ \ \ \ \ \ \ \ \ \ log_b(x) \ = \ y \ \ \Rightarrow\ \ b^y = x]
  log 10 = 1    |10^1 = 10