Answer:
11,800 different four letter permutations can be formed using four letters out of the first 12 in the alphabet
Step-by-step explanation:
Permutations formula:
The number of possible permutations of x elements from a set of n elements is given by the following formula:
In this question:
Permutations of four letters from a set of 12 letters. So
11,800 different four letter permutations can be formed using four letters out of the first 12 in the alphabet
Answer:
4 meters
Step-by-step explanation:
Area is length x width
28=7n where n is the unknown width
Solve for n and u get 4
Hope this helps! This is the long division way.