A few days ago

Luis D

college math homework help?

Evaluate the factorial expression.

7) 13

A) 6.2270 × 10^9

B) 4.7900 × 10^8

C) 1.2454 × 10^10

D) 3.1135 × 10^9

Top 2 Answers

A few days ago

Mitch

Favorite Answer

1! = 1

2! = 2 x 1 = 2

3! = 3 x 2 x 1 = 6

4! = 4 x 3 x 2 x 1 = 24

… etc.

13! = 13 x 12 x 11 x 10 x 9 x 8 x 7 x 6 x 5 x 4 x 3 x 2 x 1

13! = 6227020800 or 6.2270 x 10^9

So, the answer is A.

Honestly, you could have done the computations for this problem in less time than it took for you to type it up!

If you’re still confused on factorials, check this website:

http://www.mathsisfun.com/numbers/factorial.html

Good luck in your studies,

~ Mitch ~

7 years ago

Anonymous

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