If the last number is supposed to be 500 then the pattern is times 5.
4*5=20
20*5=100
100*5=500
Answer:
20.8 im not a 100% sure so please dont get mad if not
Step-by-step explanation:
IT is prime. Nothing other than itself and 1 can go into it.
The answer should be around 28 square centi. rounding from about 27.71