Answer:
16 is How many two-digit numbers can be formed
using only the numbers 0, 1, 2, 3, or 4 without
repeat?
Step-by-step explanation:
Because all the two-digit number that can be formed is 10, 12, 13, 14, 20, 30, 40, 43, 42, 41, 34, 32, 31, 24, 23, 21