99*99=9801
Add the two greatest possible four digit numbers. 9999 + 9999
198
what is the least possible sum of two 4-digit numbers?what is the least possible sum of two 4-digit numbers?
100/7 = 14.2 therefore the answer is 14 (for the numbers 14,28,42,56,70,84,98)
3567,924
There are 2941 4-digit numbers such no two of its digits differ by 1.
10000 and 99999
95
93
The greatest two-digit prime number is 97. The lowest two-digit prime number is 11. The product of the two numbers is equal to 1067.
Their product.
We're talking about 3-digit numbers that you can make out of 3, 5, 7, and 9.-- The biggest one possible is 975.-- The smallest one possible is 357.-- Their difference is 618 .