the book will serve as a flat surface on which you will later place additional weights. it has its own mass…

the book will serve as a flat surface on which you will later place additional weights. it has its own mass, which you need to measure. zero the balance. place the book on the balance. measure the mass to the nearest gram (1 g).

the book will serve as a flat surface on which you will later place additional weights. it has its own mass, which you need to measure. zero the balance. place the book on the balance. measure the mass to the nearest gram (1 g).

Answer

Explanation:

Step1: Round to nearest gram

We need to round 497.680 g to the nearest whole - number (gram). Since the digit in the tenths place is 6 which is greater than or equal to 5, we round up. $497.680\approx498$

Answer:

498