The product of the first 40 positive integers ends with

Question

Will that en with a-

1. 8 zeroes

2. 9 zeroes

3. 10 zeroes

4. 11 zeroes

Answer 1

"produkt av first 40 integers" ...thats 40 faktorial

40!=815,915,283,247,897,734,345,611,269,596,115,894,722,ooooooooo...

it hav 9 zeroes at the rite end

Comments

Hey can u tell me how did u calculate such a big amount so easily is there any easy method to calculate the factorial of big nos…