I think is C that what i think:;;:::::);:;:)
Answer:
n how many ways can a president, vice president, and a secretary be chosen? It is 12X11X10. Permutation of n things taken r at a time: nPr=n!/(n-r)! 12P3=12*11*10*9!/9!= 12*11*10=1320 ways.
Step-by-step explanation:
<h2><em>
Answer</em>
:</h2>
The least common multiple of 2, 7 and 10 would be <em>70</em>.
400 i think i am pretty sure but if it's wronge i apolize
