Convert 20 litres to milliliters​

Which problem could be  solved  by evaluating the expression  7×(−3)7×-3?

Question 3 of 30 paul buys fruit to make smoothies. he buys 3.78 pounds of apples, 2.12 pounds of peaches, and 4.45 pounds of oranges. paul rounds each weight to the nearest tenth of a pound. about how many pounds of fruit did paul buy? (a) 10.5 pounds (b) 10.2 pounds (c) 10.4 pounds (d) 10.0 pounds 30 points

He that is measured at 220° is a reflex angle. the opposite angle is obtuse. find the measure of obtuse .