John has forgotten his password to log on his computer. He knows the password is made up of 5 letters in the word "speed". What is the maximum number of passwords Greg has to check to find the right one?
24
60
120
240
is 5! or 5!/2! ??
Thanks
John has forgotten his password to log on his computer. He knows the password is made up of 5 letters in the word "speed". What is the maximum number of passwords Greg has to check to find the right one?
24
60
120
240
is 5! or 5!/2! ??
Thanks