5. (20,5)
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8
pls pasagot combination ung formula
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5. (20,5)
----------------
8
pls pasagot combination ung formula
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Answer:
combination formula:
nCr=n!/r!(n-r)!
20C5=20!/5!(20-5)!
=20!/5!×15!
=20×19×18×17×16×15!/5×4×3×2×1×15!
=1,860,480/120
20C5=15,504
Step-by-step explanation:
combination if orders not important. while permutation orders important