Finite Math Examples

Evaluate (20!)/(4!(20-4))
Step 1
Rewrite as .
Step 2
Reduce the expression by cancelling the common factors.
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Step 2.1
Cancel the common factor of and .
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Step 2.1.1
Factor out of .
Step 2.1.2
Cancel the common factors.
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Step 2.1.2.1
Factor out of .
Step 2.1.2.2
Cancel the common factor.
Step 2.1.2.3
Rewrite the expression.
Step 2.2
Cancel the common factor of .
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Step 2.2.1
Cancel the common factor.
Step 2.2.2
Rewrite the expression.
Step 3
Simplify the numerator.
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Step 3.1
Multiply by .
Step 3.2
Multiply by .
Step 3.3
Multiply by .
Step 3.4
Multiply by .
Step 3.5
Multiply by .
Step 3.6
Multiply by .
Step 3.7
Multiply by .
Step 3.8
Multiply by .
Step 3.9
Multiply by .
Step 3.10
Multiply by .
Step 3.11
Multiply by .
Step 3.12
Multiply by .
Step 3.13
Multiply by .
Step 3.14
Multiply by .
Step 3.15
Multiply by .
Step 4
Simplify the expression.
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Step 4.1
Subtract from .
Step 4.2
Divide by .
Step 5
The result can be shown in multiple forms.
Exact Form:
Decimal Form: