Answer:
..
Step-by-step explanation:.
The irrational numbers are √10,√27,√99.
50 the answer is most likely 50
If u wrote 9 to the power of - 2 and x to the power of - 1 and y to the power of 0 and write the x at then end it would end up a fraction of 1/81 but I'm not sure what u want like multiply?