how many combinations can be made from the letters of the word mother taken 4 at a time?
a.15
b.25
c.35
d.45
please pa sagot po ng maayos
a.15
b.25
c.35
d.45
please pa sagot po ng maayos
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Answer:
b
Step-by-step explanation:
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Answer:
A. 15
Step-by-step explanation:
nCr = n! / ((n – r)! r!)
6C4 = 6! / ((6-4)!4!)
6C4 = 6! / (2!4!)
6C4 = 720 / (2×24)
6C4 = 720 / 48
6C4 = 15