Evaluate 7!

Problem

7!

Solution

1. Identify the factorial notation n! which represents the product of all positive integers from 1 to n

2. Expand the expression 7! into its constituent factors.

7!=7×6×5×4×3×2×1

3. Multiply the numbers sequentially or in groups to find the total product.

7×6=42

42×5=210

210×4=840

840×3=2520

2520×2=5040

5040×1=5040

Final Answer

7!=5040

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