Question 1173440

How many 3-letter words can be formed from the letters in these words.
PEDRO=
Can you help me with this? thank you so much
<pre>Number of letters in PEDRO: 5
Number of 3-letter words from 5 letters, using PERMUTATION: {{{highlight_green(matrix(1,5, ""[5]P[3], "=", 5(4)(3), "=", 60))}}}