Which expression is equivalent to 2.3 x 2.3 x 2.3 x 2.3 x 2.3?

Chandler was a caretaker at the state zoo. he noticed that the number of animals adopted by the zoo increased at a constant rate every year since 2010. which of the following graphs shows the slowest rate at which the animals in the zoo were adopted?

What is the square root of 45? (step by step working plz)

Answer this question only if you know the 30 points and