Respuesta :
(1.8 x 10^3) x (5.1 x 10^2) =918000
9.18x10^5 =918000
your answer is 9.18x10^5
9.18x10^5 =918000
your answer is 9.18x10^5
Answer:
A period is a horizontal row of the periodic table. A group is a vertical row of the periodic table.