A scale has a percent error of 7%. The scale reads the mass of a book as 450 g. Which statement describes what the actual mass of the book could be? The actual mass of the book is either 315 g or 585 g. The actual mass of the book is either 419 g or 482 g. The actual mass of the book is either 443 g or 457 g. The actual mass of the book is either 447 g or 453 g.