Consider a circle with radius r=6 and a central of 0= 3pi/4.
What is the exact and length of the arc intersected by 0? Note, the exact answer must contain pie and must be reduced to lowest terms.

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?