How it works
An exponent says how many times to multiply the base by itself. Negative exponents mean 1 divided by the power; fractional exponents are roots (x^0.5 = √x).
Formula
bⁿ = b × b × … × b (n times) · b⁻ⁿ = 1 ÷ bⁿ
Example
2^10 = 1,024. 10^-2 = 0.01. 9^0.5 = 3.
Assumptions & limitations
- Results are rounded for display.
Frequently asked questions
What is anything to the power of 0?
Any non-zero number to the power of 0 equals 1.