Answer:
He cuts off a section representing a percent of the current area so that the remaining area represents the next term in the pattern, rounded to nearest whole centimeter. The area after each cut is shown on the graph.
The mass of a cat in grams is greater because in 1 gram=0.001 kilograms
I wrote the steps down, hopefully you understand them and the answer is on the lower right corner.
Divide total price by quantity:
15.60 / 6 = 2.60
Unit price = $2.60
11.16 repeat only the six is repeating