The license plate consists of three letters and three numbers. How many numbers can be formed using 30 letters and 10 numbers?

decision
a = 30 * 29 * 28 * 10 * 9 * 8 = 17539200

Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.