Answer:

Step-by-step explanation:
As we are dividing by powers, we can just subtract the powers as they have the same base. As 12-4=8 the answer would be

The first one is -763.1 and the second one is -24
Willy can cover in 1L paint

- 1st box should be filled with 4.5
Can cover in 10L

Second one should be filled with 45
each trial is independent so do
.5 x .5 x .5 or .5^3
.125 is the probability.