Answer
Scientific notation is useful for representing large or small numbers.
Work Step by Step
It is far easier to write and understand 4x10$^9$ than it is to write 4,000,000,000.
Introductory Chemistry (5th Edition)
by Tro, Nivaldo J.
Published by
Pearson
ISBN 10:
032191029X
ISBN 13:
978-0-32191-029-5
Chapter 2 - Measurement and Problem Solving - Exercises - Questions - Page 47: 3
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