Question

How many different words (with or without meaning) can be made by using the letters in COLUMNS? Repetition is not allowed

please ans me in mathamatic er algebraicand evaluated form. p(23,3)=10626

Answer 1

Answer:5040

Step-by-step explanation:

There are 7 different letters and no letter is repeted in it.

So 1 st place can be chossen in 7 ways

2nd place in 6ways

3rd in 5 ways

And so on

And last place that is 7th place in any 1 way as because all leeters are used in other places.

So answer is 7×6×5×4×3×2×1=5040