Compute $\log_{1/2} (16 - 5)$.
16 -5 = 11
Here is one way:
log1/2 (11) means 1/2x = 11 LOG both sides
x LOG (1/2) = LOG 11
x = - 3.4595
Depending on your calculator you may be able to calculate it directly log1/2 (11) = -3.4595
+37147 
