Question

please help me to do practice zone -1 of maths​

Answer 1

Step-by-step explanation:

1) inverse of 3/8 is 8/3 So inverse of 3*3*3/8*8*8

::8*8*8/3*3*3

2) similarly in 1.2) remove the minus power by inversing the -2 and 11, now. sum becomes (11/-2) power 2 ,now proceed accordingly