Use the Counting Principle to find the probability. Choosing the 8 winning lottery numbers when the numbers are chosen at random from 0 to 9

In most of the lotteries, a number cannot be used more than once. Therefore, we can choose 8 from 10 given choices is 10! divided by 2!. The numerical value is 1814400. There is only 1 winning ticket, the probability of winning is 1/1814400.