m.a. wrote: > Hi Bruno, > Yes, this is all clear to me. But when I try to put it > into practice, confusion reigns. (See bottom of page.) By the way, > because I'm printing out your lessons and often need to refer back to > specific ones, it becomes confusing when you append lessons to posts > with different subjects. Thanks, marty a. > > > > ----- Original Message ----- > *From:* Bruno Marchal <mailto:[email protected]> ... > Just a question to proceed later: do you agree that > > (a*a*a*a)/ (a*a*a) = (a*a*a*a) times 1/(a*a*a) > > with this and what I said, you can guess that: > > a^n * a^(-m) = a^(n-m) > > Again, verify this on simple example of your own. > > *OK: If a=10 and n=3 and m=4 Following the formula above > "a^n * a^(-m)" ,I get as the first half of the equation:* > ** > *10^3 * 10/4 = 1000 x 2.5= 2500 but for the second half > "a^(n-m) I get:* > ** > *10^(n-m)= 10^ -1= 10/1* > ** > *which of course makes no sense at all. Where did I go wrong?*
10^(-4) is not equal to 10/4, it's equal to 1/(10^4) or 0.0001 Brent --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Everything List" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/everything-list?hl=en -~----------~----~----~----~------~----~------~--~---
