Math, asked by batman9068, 6 months ago

How many 2-digit numbers can be formed from the digits 8, 1, 3, 5 and 4 assuming
(a) repetition of digits is allowed?
(b) repetition of digits is not allowed?​

Answers

Answered by Anonymous
6

Answer:

  • 81 83 85 84 18 13 15 14 38 31 35 34 58 51 53 54 48 41 43 45
  • 20 numbers can be formed by repetition of the numbers

Step-by-step explanation:

  • 18 35 4
  • only 2 numbers can be formed by not repeating the numbers

  • I think I have gone wrong on the not repeating one so please sorry for that
Similar questions