Does this mean...How many 8 letter strings can be made from the 26 letters of the Alphabet?? so for example, a) would be 26*8

for a), I think it should be 26^8...

-Yes it should be 26^8 because you can put 26 letters in each place.

Alumni Liaison

Correspondence Chess Grandmaster and Purdue Alumni

Prof. Dan Fleetwood