Evaluate the expression P(9,3), equivalently 9P3
Your answer is:
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1 answer:
Answer:
504
Step-by-step explanation:
Using the definition
n
= 
where n! = n(n - 1)(n - 2).... × 3 × 2 × 1
Thus
9
= 
← cancel the terms of 6! on numerator/denominator, leaving
= 9 × 8 × 7 = 504
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