Try another version of this question Get help: Box 1: Enter your answer as a number (like 5, -3, 2.2172) or as a calculation (like 5/3, 2^3, 5+4) Box 2: Enter your answer as a number (like 5, -3, 2.2172) or as a calculation (like 5/3, 2^3, 5+4)
How many three-letter "words" can be made from 5 letters "FGHIJ"
if repetition of letters
(a) is allowed?
Your answer is :
(b) is not allowed?
Your answer is :
Enter DNE for Does Not Exist, oo for Infinity 125
Enter DNE for Does Not Exist, oo for Infinity 60