Round 37,218 to the nearest ten thousand. show your work

Which is an equation for the nth terms of the sequence 12,15,18,21

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.

The value of the expression 16-^3/4 8 1/8 -6 6 1/40 1/64