Answer:
5(6)+3(4.5)- 6(2)= 31.5
Step-by-step explanation:
hmmmmm
1 g/cm^3 or 1 g/ml
70?
1, 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47
So 16 integers.