Respuesta :
To improve the logical flow of the paragraph, the best place to move sentence 7 is before sentence 3. This is a great example of a derived subject. The subject of sentence 7 is experts, and the subject of sentence 3 is the chair of the Federal Communications Commission, which is a derived subject from sentence 7, after all, the chair of the Federal Communications Commission is one of the experts that supports the use of tablets instead of paper textbooks.