Cool math Pre-Algebra Help Lessons: Exponents

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Coolmath Pre-Algebra
Exponents lesson 1 - What Are They? (page 2 of 3)
---- This pre-algebra lesson explains what exponents are and how they work.

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We can do this with any numbers...

3 x 3 x 3 x 3 (four of them) = 3^4 = 81

5 x 5 x 5 x 5 x 5 x 5 x 5 x 5 x 5 x 5 (ten of them) = 5^10 = 9,765,625

These critters can get pretty big!

TRY IT:

Expand out

and find the answer.

Expand out

and find the answer.

Here are some terms to learn:

in 3^4, the base is 3 and the exponent (or power) is 4

YOUR TURN:

Expand this out and find the answer:

Continued on the next page

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