X= 0 and 1 are the answers
A. 72÷9÷2 = 8÷2 = 4
b. (18 ÷ 6) ÷ 3 = 3 ÷ 3 = 1
c. 45 ÷ 5 ÷ 3 = 9 ÷ 3 = 3
d. 144 ÷ (12 ÷ 2) = 144 ÷6 = 24
Answer:
1.5 grams per millimeters cubed
Step-by-step explanation:
The formula for density is D=M÷V
Just divide 3 by 2 and you are done.
