Posted by willa on Saturday, June 18, 2011 at 7:53pm.
Evaluate the expression without using a calculator. log under 2 1

math  Reiny, Saturday, June 18, 2011 at 8:39pm
did you mean log_{2} 1 ?
the log 1 = 0 , no matter what the base is , for any base > 0, base ≠ 1