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Power with exponent zero

Power with exponent zero. Rule. Examples.

Power of zero exponent rule

Power with exponent 0

a0 = 1

here a is not equal to zero.

All numbers raised to 0 are equal to 1.

Zero raised to zero

Zero raised to zero is not defined.

Why is a power with exponent 0 equal to 1?

Examples

A number raised to power 0

10 = 1

Any number raised to 0 is equal to 1

120 = 1
(-15)0 = 1
(1,2)0 = 1
(-1,2)0 = 1

Examples with answers

What is 10 raised to 0?

100 = 1

What is 2 raised to 0?

20 = 1

What is 3 raised to 0?

30 = 1

What is 4 raised to 0?

40 = 1

What is 5 raised to 0?

50 = 1

What is any number raised to 0?

Any number raised to 0 gives one, here the number is not equal to zero.