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The symbol ₁₂P₉ represents the permutations of 9 quantities out of 12.
By definition,

From the calculator,
12! = 479,001,600
3! = 6
Therefore
₁₂P₉ = 479001600/6 = 79,833,600
Answer: 79,833,600
Answer:
4√2x.
Step-by-step explanation:
√32 = √2*√16 = 4√2.
√x^2 = x.
Answer:84.8
Step-by-step explanation: