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Old 12-04-2010   #1
Lisasmith111
 
Join Date: Nov 2010
Posts: 36
Default Factorial zero; Power of zero; Infinity

Hello folks,

Although 0! = 1 can anyone explain why this is the case. Hopefully, in a simple way so that I can understand why this is the case.

Also why does anything to the power of zero = 1 eg 10^0 = 1 and 9^0 = 1.

Finally, we all act as though we understand infinity even though none of us really know what it is. Can anyone explain?

Kind regards

Lisa Smith
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