S stezza New member Joined Aug 26, 2010 Messages 4 Aug 26, 2010 #1 0.5=0.886^t t=5.726675 can someone explain to me how they got that answer?? did they use logs?
L Loren Senior Member Joined Aug 28, 2007 Messages 1,298 Aug 26, 2010 #2 stezza said: 0.5=0.886^t t=5.726675 can someone explain to me how they got that answer?? did they use logs? Click to expand... Probably. If you take the log of both sides you get log 0.5 = log 0.886[sup:3k1lxzgm]t[/sup:3k1lxzgm] Can you go from there?
stezza said: 0.5=0.886^t t=5.726675 can someone explain to me how they got that answer?? did they use logs? Click to expand... Probably. If you take the log of both sides you get log 0.5 = log 0.886[sup:3k1lxzgm]t[/sup:3k1lxzgm] Can you go from there?
D Denis Senior Member Joined Feb 17, 2004 Messages 1,700 Aug 27, 2010 #3 If a^p = b then p = log(b)/log(a)