Why are exponents used in mathematics?10

Arrange these numbers from least to greatest 3/5 5/7 2/9

How do i make someone brainliest? (if you answer me, i might be able to make you brainliest! )

Create a question with this scenario you could ask that could be answered only by graphing or using logarithm. david estimated he had about 20 fish in his pond. a year later, there were about 1.5 times as many fish. the year after that, the number of fish increased by a factor of 1.5 again. the number of fish is modeled by f(x)=20(1.5)^x.