Answer:
2.618 radians
Step-by-step explanation:
You could do all of the work with the multiplying, but what I think it wants you to see is that you can divide like numbers by subtracting exponents.
so if we did that we would get 
this in turn would give us 4 x -9 x -5 = 180
X cubed (³) + x
x³ + x Plug in 2 for x
2³ + 2 Cube 2 (2 x 2 x 2)
8 + 2 Add
10
Stevie has 25marbles
Freddie's has 25x2:50marbles
Danny has 50+5:55marbles