Answer: 3.6
Step-by-step explanation: 3x1.2= 3.6
I think it's B because it's makes the most sense
-First we have to work out what’s in parenthesis.
(8*10^-3)=(8*0.001)=0.008
-This is for the second parenthesis
(2*10^-4)=(2*0.0001)=0.0002
-Now we multiply them together
ANSWER: 0.0000016
In total there are 20 students and only 6 read 1 book. So the answer would be 6/20