zeinabplus91722 zeinabplus91722 20-02-2021 Mathematics contestada Please help me!!!!3. Compute the product axb in each of thefollowing cases:a) a = -7.5and b=0.25 ;b) a = -2.5and b=-18;c) a = -812and b=-0.75;d) a = 4.25 and b= -326.