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4 Exponents and Powers

Learning Objectives Scan to learn

After studying this chapter, students will be able to...
 understand the concept of exponents (or powers) by repeated multiplication
 describe various laws of exponents
 write large numbers in standard form using exponents

GET READY!

On Earth Day, students of class VII went to a planetorium with their teacher.

Hey! Look up. Our Earth
looks beautiful, isn't? Do you
know it is the only planet in
our known universe where
life exists.
How did you Exponents!
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It is 5.97 × 10 kg. express the What is this?
It is the third planet in our weight of the
solar system. Do you know earth?
the mass of the earth?

It is in standard
form using
exponents.

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