Question

 

Answer 1

\(a,\dfrac{3}{4}:\dfrac{1}{-8}=\dfrac{3}{4}.\dfrac{-8}{1}=\dfrac{-24}{4}=-6\)

\(b,\dfrac{1}{2}.\dfrac{-1}{3}-1=\dfrac{-1}{6}-\dfrac{6}{6}=\dfrac{-7}{6}\)

Answer 2

\(a,\dfrac{3}{4}:\dfrac{1}{-8}=\dfrac{3}{4}.\dfrac{-8}{1}=\dfrac{3.\left(-8\right)}{4.1}=-\dfrac{24}{4}=-6\)

\(b,\dfrac{1}{2}.\dfrac{-1}{3}-1=\dfrac{1.\left(-1\right)}{2.3}-1=-\dfrac{1}{6}-1=\)\(-\dfrac{1}{6}-\dfrac{6}{6}=\dfrac{-1-6}{6}=-\dfrac{7}{6}\)

Answer 3

a) `3/4 : 1/(-8) = 3/4 . (-8) = 3/4 . (-2).4 = 3.(-2)=-6`

b) `1/2 . (-1)/3 -1 = (-1)/6 - 1= -7/6`