What is 0.000000037 written in scientific notation?

Ineed if you could explain and give me the answer you! this needs done

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.

Which statements are true about additional information for proving that the triangles are congruent check all that apply