18 Determina la fuerza de repulsión que
existe entre una carga de 6 mC y otra
de 4 mC si se encuentran separadas
3.5 m. *
(2 Points)

Amerchant has coffee worth $60 a pound that she wishes to mix with 50 pounds of coffee worth $90 a pound to get a mixture that she will sell for $70 a pound. how many pounds of the & 60 coffee should be used?

Enter numbers to write 0.000328 0.000328 in scientific notation. 1 1 0.000328=3.28 × 0 . 000328 = 3 . 28 × =3.28×10 = 3 . 28 × 10

How many sides does a regular polygon have if each exterior angle measure is 45 degrees explain your answer, i really don't understand this.