Question

Answer 1

`a, -8/25 . 15/4`

`= -120/100`

`= -6/5`

`b. 8 xx -3/2`

`= -24/2`

`= -12`

Answer 2

`a, -8/25 . 15/4`

`= -120/100`

`= -6/5`

`b. 8 xx -3/2`

`= -24/2`

`= -12`

`c, (-11) . -5/121`

`= 5/11`

`e, (-1/2) xx (-1/2 - 3/4 + 2/3) xx (-18/55)`

`= -1/2 xx -7/12 xx -18/55`

`= -7/440`

`l, = 9/4 (32/27 - 77/18 - 10/3) + 5/3 (-3/10)`

`= 9/4 xx -347/54 -1/2`

`= -359/24`