"Powers of Rational Numbers" Rational Numbers PPT Courseware 2

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"Powers of Rational Numbers" Rational Numbers PPT Courseware 2

Adding n a’s

a+a+a+…+a=a·n

Is there any simple formula for multiplying multiple identical factors?

The area of ​​a square with side length 3 is 3x3

3x3 can be written as 3² and pronounced as 3 squared.

The volume of a cube with edge length 3 is 3x3x3.

3x3x3 can be written as 3³, which is pronounced as 3 cubed.

think:

The even power of (-1) is ___

The odd powers of (-1) are ___

Any power of 1 is ____

The positive integer power of 0 is ____

The operation of the product of several identical factors is called exponentiation, and the result of exponentiation is called power.

a·a·a·…·a=an

When the exponent is a ____ number, the power of a negative number is a ____ number.

When the exponent is a ____ number, the power of a negative number is a ____ number.

Any power of a positive number is ____.

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Update Time: 2024-11-21

This template belongs to Mathematics courseware People's Education Press Seventh Grade Mathematics Volume 1 industry PPT template

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