Question

Solve it , it's a request.

Answer 1

(1) 2 * 2 = 4

    1 * 2 = 2

   

(2) 3 * 2 = 6

     9 * 2 = 18


(3) 1 * 2 = 2

     7 * 2 = 14


(4) 4 * 2 = 8

     5 * 2 = 10.


Therefore the number is 810.


Hope this helps!

Answer 2

810 double the first digit and second digit