Your answer would be the last option, c = √(E/m).
We can see this when we rearrange the equation, as:
E = mc²
÷ m
E/m = c²
√
√(E/m) = c
So you got all the steps in rearranging correct :)
I hope this helps!
Using the formula;

You should get
12.1655 or
12.2 units.
Hope this helps you with Coordinate Solving!
Round 1 player 1 because 12 is the greatest number
Answer:one half
Step-by-step explanation: