Question

Help me plssssssssssssssssssssss :)

Answer 1

19.
`-(5)/(6)^(3)`

20.
`s^(2) *7^(3)`

21.
`4^(2) * b^(4)`

22. 97.2

23. 234

Explanation:

`k^(4)*m\\ 3^(4) *(5)/(6)\\ 81*(5)/(6)=97.2`

`(c^(3)+ d^(4))^(2) -(c+d)^3\\(-1^3+2^4)^2-(-1^3+2^3)\\-1+256+1+8\\=234`

I hope this helps.