A radioactive substance decays exponentially. A scientist begins with 130 milligrams of a radioactive substance. After 13 hours, 65 mg of the substance remains. How many milligrams will remain after 16 hours?

Which best describes the transformation that occurs in the graph? a) dilation b) reflection c) rotation d) translation

Is a positive integer raised to a negative power always positive

Graph g(x)=2cosx . use 3.14 for π . use the sine tool to graph the function. graph the function by plotting two points. the first point must be on the midline and closest to the origin. the second point must be a maximum or minimum value on the graph closest to the first point.