When we raise a number to the zeroth power, that means we multiply the number by itself zero times. So, the reason that any number to the zero power is one is because any number to the zero power is just the product of no numbers at all, which is the multiplicative identity, 1.
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Anything to the zeroth power is one. It doesn't matter what x is. 2 to the zeroth power is one.
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Any number raised to the zero power is... zero !
10 = 1As a general rule, any number to the zeroth power ( "zeroth" is the correct spelling, when used in the case of exponents ) is equal to 1So,120 = 1and77965554668740 = 1