Evaluate 4!

Problem

4!

Solution

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

2. Expand the expression by writing out the sequence of integers to be multiplied.

4!=4×3×2×1

3. Multiply the first two numbers in the sequence.

4×3=12

4. Multiply the result by the next number in the sequence.

12×2=24

5. Multiply by the final number to find the total product.

24×1=24

Final Answer

4!=24

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