Question 452859
<pre>
what does x equal?
log 10,000=x

log 10,000 = x
{{{10^x = "10,000"}}} ---- Converting to EXPONENTIAL form
{{{10^x = 10^4}}} ---- Converting 10,000 to {{{10^4}}}
  <font color = red><font size = 4><b>x = 4</font></font></b> ---- Equating EXPONENTS, since BASES are equal</pre>