3! Equals What?

3! Equals What?

Transcribed Text:
Question: 3! equals what?
3! equals what?
Expert Answer
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General guidance
Concepts and reason The problem belongs to the concept of factorial. The factorials are the products of every whole number from 1 to n. In general, n objects can be arranged in n(n-1) (n – 2) ……. (3) (2) (1) ways. This product is represented by the symbol as n!
Fundamentals The formula for factorial of a number n is, n! = n x n – 1) x (n – 2) ….. X 2X1
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Step-by-step
FIRST STEP ALL STEPS ANSWER ONLY
Step 1 of 2 ^
The expansion of factorial of a number 3 is,
n! = n < (n-1) x (n − 2)..... X 2x1 3! = 3 x (3 – 1) (3-2) (Sincen = 3) = 3 x 2 x1 Explanation | Hint for next step The expansion of factorial of number 3 is obtained by substituting the value of n = 3 in the formula of factorial of a number n. Step 2 of 2 The value of 3! is, 3! = 3 x 2 x 1 = 6 The value of 3! is, 6. Explanation By using the formula of factorial, the required value of 3! is, 6. Answer The value of 3! is, 6.

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