How many numbers of 3 digits can be formed with the digits 1,2,3,4,5 when digits may be repeated?

The number of 3 digits can be formed with the digits 1,2,3,4,5 when digits may be repeated is

How many numbers of four digits can be formed with the digits 1,2,3,4,5 if the digits can be repeated in the same number?

How many numbers of four digits can be formed with the digits 1,2,3,4,5 if the digits can be repeated in the same number?

How many numbers of four digits can be formed with the digits 1,2,4,5,7 no digit being repeated?

How many numbers of four digits can be formed with the digits 1,2,4,5,7 no digit being repeated?

How many different numbers of three digits can be formed with the digits 1,2,3,4,5 no digit is being repeated ?

How many four-digit numbers can be formed with the digits 1, 2, 3, 4, 5, 6 when a digit may be repeated any number of times in any arrangement ?

How many 4-digit numbers can be formed with the digits 0, 2, 3, 4, 5 when a digit may be repeated any number of times in any arrangement?