iketahui 10 siswa mengikuti suatu ujian. jika skor maksimum tidak diperhitungkan, rata rata nilai mereka adalah 6,5. Jika skor minimum tidak diperhitungkan, rata rata nilai mereka adalah 7,3. Tentukan nilai Rentang (range) mereka​

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. create a question you could ask that could be answered only by graphing or using a logarithm.