168k views
1 vote
How many three-letter permutations

can you make using the letters in
BEACH?
Can someone please help me?

User Sanaa
by
3.8k points

2 Answers

1 vote

Answer:

60

Explanation:

A permutation is a rearrangement of its elements in any sequence or linear order.

We are asked to rearrange the word BEACH into three letter permutations.

We find that each letter represents the first letter 5 x 3 = 15

Then distributes 5 places, so that 15 x 5 = 60

User Mydoglixu
by
3.9k points
3 votes

Answer:

60

Explanation:

nPr=n!/(n-r)!

5!/(5-3)!

(5*4*3*2*1)/(2*1)

120/2

60

User Nithin Viswanathan
by
5.4k points