Please help me with the questions

Answer:
79 milimeters = 7.9 centimeters
70 mililiters = 0.07 liters
89 milimiters = 0.089 meters
28 centimeters = 0.28 meters
11 kilograms = 11000 grams
34 grams = 0.034 kilograms
88 meters = 0.88 kilometers
19 miligrams = 0.019 grams
66 meters = 0.66 kilometers
3.9 liters = 3900 mililiters.
Explanation:
To solve this you have to multiply each value for the ratio between units.
For example 79 milimeters x (1 centimeter/10 milimeters) = 7.9 centimeter