Negative Exponents Calculator
How It Works
This negative exponents calculator uses established formulas to provide accurate results.
The basic rule:
- a⁻ⁿ = 1/aⁿ
- Any nonzero number to a negative exponent is the reciprocal
- a⁻¹ = 1/a
Results are estimates. Consult a professional for critical decisions.
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Explore Allday Everyday Math →Frequently Asked Questions
What does a negative exponent mean?
A negative exponent means take the reciprocal. a⁻ⁿ = 1/aⁿ. For example, 2⁻³ = 1/2³ = 1/8. The negative sign does not make the answer negative — it makes it a fraction.
Is a negative exponent the same as a negative number?
No. 2⁻³ = 1/8 (positive). A negative exponent takes the reciprocal. A negative base like (-2)³ = -8 is different. Do not confuse them.
What is 0 to a negative exponent?
0 raised to any negative exponent is undefined because it would require dividing by zero (0⁻ⁿ = 1/0ⁿ = 1/0, which is undefined).