Respuesta :

The history book weighs approximately 442.26 grams

Here, we want to convert from a unit to another

We want to convert from ounce to grams

To do this, we need to know the conversion factor

Mathematically, 1 ounce measures approximately 28.35 grams

Thus, 15.6 ounces will weigh 28.35 * 15.6 = 442.26 grams