Answer:
78.72
Explanation:
you want to multiply every number by eatchother
so you would start off with
0.2 x 0.6 = 0.12
then 0.2 x 4.0= 0.8
then 0.2 x 20= 4.0
next 3.0 x 0.6= 1.8
next 3.0 x 4.0=12.0
next 3.0 x 20.0= 60.0
lastly add everything up
0.12+0.8+4+1.8+12+60=78.72