what is the short form of 5000000+900000+2000+800+90 please do right answer

Question

what is the short form of 5000000+900000+2000+800+90 please do right answer​

Autumn · Answer

Step-by-step explanation:       5000000      900000  +       2000  +         800  +           90      =5902890ans

Ximena · Answer

answer        the answer is  5+9+2+8+9

what is the short form of 5000000+900000+2000+800+90 please do right answer​