Answer:
Infinite Solutions
Step-by-step explanation:
Since the string has already two 2, then we will compute the whole number of strings whose length is 4, over the alphabet {0,1}:

There is then 16 such strings.
Answer:
50, 52, 54, 55, 56, 56, 64, 65, 68, 74, 74, 76, 77, 77, 80, 81, 90, 91, 95, 99,
Step-by-step explanation:
Answer:
please write the question in english than I may help you
Answer: 38/45
Step-by-step explanation:
4/10 + 4/9
Lowest Common Multiple of 9 and 10 is 90. Rewrite fractions as 36/90 and 40/90. Add the numerators to get 76/90. Simplify that and you get 38/45, or 0.8444 (four repeating).