Which formula can be used to determine the total number of different eight-letter arrangements that can be formed using the letters in the word deadline? a. 8! b. 8! /4! c. 8! /2! +2! d. 8! /2! *2! i think the answers d but im not sure

Option D

Step-by-step explanation:

See the letters in the word deadline.

We have d and e repeated twice , and a,l,i,n once.

There are in total 8 letters

These 8 letters can be arranged in 8x7x6...1 = 8! ways

But since there are repititions of letters, we have 2! x 2! times repeated letters.

Hence we have to divide by 2!x2!

No of ways =

Option D is right

b i think

step-by-step explanation:

not really sure

explanation:

step-by-step explanation: