Answer:
Approximately 13.4 units.
Explanation:
To find the distance between two points, use the distance formula. The distance formula is:

x₁ and y₁ is one coordinate while x₂ and y₂ is the other.
Let (-3,10) be x₁ and y₁ and let (3,-2) be x₂ and y₂. Plug in the numbers and simplify:

Edit: Typo