Answer:


Step-by-step explanation:
Given


Solving (a): The earnings.
This is calculated as:



Solving (b): New Value
This is calculated as:
So, we have:



Answer: Exponential table
What is p-m pn equal to? Is it’s pm/n
Prism A 4x1x2=8
prism B 8x2x4=64
8/64 is the ratio, simplified would be 1/8