China has a population of approximately 1,382,323,332 people. The population of the United States is about 324,118,787 people. Using scientific notation, give the approximation for each population.

China - 1million 400k

Usa - 320k

China's population = 1.382 * 10^9

United State's population = 3.241 * 10^8

You can add more numbers to the decimal if your teacher prefers it that way, although generally you don't go past three decimal places