Question

please answer fastly with proper method and useless answer will report​

Answer 1

Answer:

18. 20

19. -

20. 90

21. 180

22. 9000

23. -

please don't mind...... the 19th and 23rd....

I didn't know the answer, but yah I gave u other answers I knew

Answer 2

Answer:

First ans:There are 20 whole no.s.Ex-53-32-1=20

second ans:9999-11*101*3*3

third ans:180:2*2*3*3*5

Step-by-step explanation:

fourth ans:It would be division as if we have to fill the glasses.4l 500ml is 4500ml.so,4500ml ÷25ml glass= 180glasses

fifth ans:the difference is 90000.

sixth ans:a)8²(probably)

b)9³