Answer:
Step-by-step explanation:
F is 10
Answer:
1
Step-by-step explanation:
There is no lcm other than 1 between these 3 numbers
5 factors: 1, 5
10 factors: 10,1,5,2
16 factors:16,1,4,4,8,2
All of these have the number one in common, hence the answer
There are 6 other positions in the string, each with 26 choices. So if you fix BO as the first two letters, there are

possible strings that you can make.
If BO is at the end of the string, you still have

possible strings.
Together, then, you have

possible strings.
The answer is 1 2/3 hope this helped