Only 5 ways: one each with one of the letters missing.
24
The four digits can be used to produce infinitely many different numbers if repetition is permitted. Without repetition, there are 24 possible numbers. A lot more can be produced if the numbers are combined using binary oprations, fore example, 19 * 8/4 = 19*2 = 38.
There are 5 letters: a c e f and h.If the letters can be repeated, then there are five possibilities for each space in the four-letter arrangement. The number of arrangements then is:5*5*5*5 = 54 = 625.
Largest four digit number with repetition = 9999 = x (let) Smallest Three digit number with repetition = 111 = y (let) Answer = x-y = 9999-111 = 9888 -----------------(Ans.)
By deleting the first and last letter of FIVE it becomes IV which is a Roman numeral for four.
Without repetition or leading 0s, it is 1023
Synonyms include redo (repeat process) or echo (a repetition).
24
1
calm
BARE
This and four
There are a number of words with that letter combination. Examples include:bungburgdunghunglungrungsungpungtung
lynx
bare
5040
Time, proximity, volume, and repetition