What is the answer to 4÷1/5

Use set buikder notation to represent the following set: {, -2, -1, 0}

Correct answer brainliest asap an d 99 pointsss what are relative frequencies to the nearest hundredth of the columns of two way table column a 102, 18 colunm b 34, 14 answers choices 0.15 0.25 0.29 0.44 0.56 0.71 0.75 0.85

Identify the initial amount a and the growth factor b in the exponential function. a(x)=680*4.3^x