Answer:
A=50.3
Step-by-step explanation:
A= πr²
A= π x 4²
A= 3.142 x 16
A=50.272
A≈50.3
In the situation, the number of bacterias are doubling for each sheet of paper cut, thus, the exponential equation for the puber is:

Initially, there was only one sheet of paper. Then, each sheet is cut in half, so we will have 2 sheets, then 4 sheets, then 8 sheets, and so on. That is, the number of sheets is continuously doubling, thus, the population after n cuts can be modeled by the following <u>exponential equation</u>:

A similar problem is given at brainly.com/question/15563161
Answer:
10 is whole number .......