Question

54. What is the digit at unit place in the
procluct of first 9 natural number?​

Answer 1

Answer:

6,3,18, is the answer

I hope it is use full

Answer 2

Answer:

Answer: 9*8*7*6*5*4*3*2*1. No matter how many odd numbers, the introduction of an even number into the room will produce an even digit at the end of the number. And the 5 there will take that even digit and give a 0 at the unit's place.