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DIY Maths: Exponent basics


In this module you can learn what exponents are and how to work with them.


In this 10-minute video from Khan Academy, Sal Khan explains the basic concept and notation of exponents.


In this 6-minute video from Khan Academy, you can learn about negative exponents.

Study and practice

3 to the 2nd power is 3 x 3, or 9.  It is NOT 3 x 2, or 6.

3 to the negative 2nd power is 1/(3 x 3), or 1/9.  It is NOT -9.

Study and practice

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working with exponents