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for expanding negative powers of a number you take 1 divided by the number to the positive power and expand. For example 2 to the -1 power is 1 divided by 2 to the + 1 power = 1/2

2 to the -3 power is 1 divided by 2 tot he + 3 power = 1/8

this is called inverse

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Q: How do you expand a negative power For example 2 to the 2nd power is 2x2 how do you expand 2 to the power of -1?
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