Write 6,730,000 in scientific notation

You are making a battery for a science project. you have copper wire for your first electrode. you need to choose a conductor, a second electrode, and a device to plug into your battery. you have already chosen a lemon conductor. complete each statement below about the options that include a lemon conductor.

The sum of the reciprocal of a positive number and the reciprocal of 2 more than the number is 3/4 equation: the number is

In the diagram, ab is tangent to c, ab = 4 inches, and ad = 2 inches. find the radius of the circle.