Determine whether the systems of natural numbers, integers, rational numbers, irrational numbers, and real numbers are closed or not closed for addition, subtraction,

multiplication, and division.

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.

Simplify (1/2)4th power a. (1/16) b.(1/8) c.(1/4)

Triangle knm is what is true about the sides of knm