Answer:
33.3
Step-by-step explanation:
Ok, so remember the exponentioal law that says

so

answe ris x^6
Answer:
90 arrangements
Step-by-step explanation:
Since there are no repititions of letters, there are unique 10 letters in total.
THe number of arrangements would be 2 permutation 10. We need the formula for permutation. That is:

Now, n = 10 [total] and r is 2, so we have:

So, there can be 90 arrangements
Answer:
No
Step-by-step explanation:
45 divided by 4 is 11 remaining 1.
If it were divisible, there would be no remainder.