What type of number cannot be written as a fraction, where p and q are
integers and is not equal to zero?
A. all numbers can be written in this way
B. A decimal
C. A rational number
D. An irrational number

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?