42 bro it’s pretty simple just multiplication
-1/3, -1/5, 0, 1/8
u put the negative numbers to the left and positive ones to the right then since -1/3 is more negative than -1/5, -1/3 goes to the left and-1/5 goes next to it and then 0 and since 1/8 is the biggest it goes to the right
Mass = density x volume
Mass = 3.5 x 20 = 70 grams
I believe that the answer is C, I don't know if it is addition or multiplication, but if is is addition, it would be 146, C
