How many 3 letter words, with or without meaning can be formed using the letters of the word JOURNALIST if repetition is not allowed? A) 40 320
B) 56
C) 256
D) 512

720 ways

Step-by-step explanation:

Word : JOURNALIST = 10

Number of letters = 3

Using permutation formula:

10P3

Recall : nPr = n! / (n-r)!

10P3 = 10! / (10 - 3)!

10P3 = 10! / 7!

10P3 = 10 * 9 * 8

10P3 = 720 ways

idk

step-by-step explanation:

use that smart brain

3-4

step-by-step explanation:

the answer is 3-4 because both 45 and 60 has a multiple of 15.

45/3=15

60/4=15

therefore the odds against selecting a red is 4-3