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Let any number be n:-

n3/n3 = n*n*n/n*n*n = 1

And in index form: n3/n3 = n3-3 = n0 = 1

Q: Why a number when it is to the power of zero is equal to one?

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Any Non-zero number, raised to the zero-power is equal to one (1). Zero raised to the zero power is not defined, but can converge towards a limit, for certain functions.

Because any number raised to the power of 0 is always equal to 1

Anything (except zero) raised to the zero power is equal to one.

Anything raised to the power of zero is zero !

Anything raised to the power of zero is 1 except 0 itself and so 8^0 = 1

Related questions

Any number to the power of zero equals one.

one.

Any nonzero number raised to the power of zero is equal to one (1).By definition.

By definition, any number raised to the zero power is "one".

Any Non-zero number, raised to the zero-power is equal to one (1). Zero raised to the zero power is not defined, but can converge towards a limit, for certain functions.

1. Any number to the power of zero is equal to one.

Any number raised to the power zero is equal to one. (However, 00 isn't defined.)

Because any number raised to the power of 0 is always equal to 1

Anything (except zero) raised to the zero power is equal to one.

The question doesn't make sense, because any nonzero number raised to the zero (0) power (exponent) will always equal one (1).

Any number to the first power equals that number, and any number to the zero power equals one.

Because any number raised to the power of zero always equals one as for example 666^0 = 1