Which description does not guarantee that a quadrilateral is a rectangle?

Which of the following is the equation that says that the product of a number and ten is equal to 20 percent of that number ? a) 10n= 2.0n b) 10+n=.20n c) n+ .20n=10 d) 10n=0.20n

Can someone me i’m confused. will give brainliest and a whole bunch of points

Just tell me how to set up the equation.