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Evaluate the factorial expression.10!/7!

User Jerika
by
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1 Answer

3 votes

To evaluate the expression we need to remember that:


n!=n(n-1)!

Then we have:


(10!)/(7!)=(10\cdot9!)/(7!)=(10\cdot9\cdot8!)/(7!)=(10\cdot9\cdot8\cdot7!)/(7!)=10\cdot9\cdot8=720

Therefore:


(10!)/(7!)=720

User Jamesplease
by
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