Let r1,…,rp be vectors in Rn, and let Q be an m×n matrix. Write the matrix [Qr1⋯Qrp] as a product of two matrices (neither of which is an identity matrix).

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.