2. Add or subtract.
(a)
4 -3
8 7
-6 5
+
1 13

Could someone me find the answer to this problem.

Two point charges are on the y axis. a 3.90-µc charge is located at y = 1.25 cm, and a -2.4-µc charge is located at y = −1.80 cm. (a) find the total electric potential at the origin. v (b) find the total electric potential at the point whose coordinates are (1.50 cm, 0). v

Is the time in tennessee the same as florida