99, I would say.
2 digit number
Six.
The number is 45
27
product means multiplication. so a 2 digit number multiplied by a 4 digit number. 80 x 6250 = 500,000 80 can be your 2 digit number 6250 can be your 4 digit number
0
1
Since the greatest digit is 9 and the greatest 2-digit number is 99, the product of them is 891.
This is not true. Think about any 4 digit multiplied by 1. This remains a 4 digit. In the case of any 4 digit under 5000, multiplied by two would also be a 4 digit number
This is not true. Think about any 4 digit multiplied by 1. This remains a 4 digit. In the case of any 4 digit under 5000, multiplied by two would also be a 4 digit number
5 is.
max[x*y | x and y belong to {0,1,2,3,4,5,6,7,8,9}]