Answer:
-56/75
Explanation:
1/-5ab = 1 ÷ -5ab
we substitute the value of a = 3/7 and b = 5/8 into 1 / -5ab
we have
1/ -5 × 3/7 × 5/8 = 1/ -75/56
this can be written as
1 × 56/-75 = -56/75
6.3m questions
8.3m answers