Question 1159271

Why is -4 to the 2nd power =-16, and not =16? isn't -4 to the 2nd -4x-4? I don't understand how it becomes -4x4=-16
<pre>{{{highlight_green(matrix(2,5, - (4)^2, "=", - (4 * 4), "=", - 16, (- 4)^2, "=", (- 4 * - 4), "=", 16))}}}