The radius of the earth is roughly twice the radius of the planet mars. raj claims that the volume of the earth must therefore be about twice the volume of mars?

true

false

sometimes true

cannot be determined

The relative growth rate for a certain type of fungi is 60% per hour.a small culture has formed and in just 6 hours the count shows to be 20,273 fungi in the culture.what is the initial number of fungi in the culture?