Question

11*11=4 22*22=16 33*33=18 99*99=?

Answer 1

Answer:

6561

Step-by-step explanation:

11*11=2(1+1*1+1=4),22*22=16(2+2*2+2=16)

33*33=81(3+3×3+3=81)

99*99=6561(9+9*9+9=6561)