Exponent Calculator
Simplify powers and solve exponential equations with the exponent laws shown clearly.
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Try an example
Exponents describe repeated multiplication
Exponent rules make large products compact, but the rules depend on matching bases and on whether powers are multiplied, divided, or raised again.
Negative exponents create reciprocals, not negative values. Rational exponents connect powers with roots. For exponential equations, rewriting both sides with a common base is often the cleanest first move.
How to use the exponent calculator
Enter the problem as written
Type or paste the full expression. You can also upload a clear photo or PDF and check the extracted text before solving.
Read the working, not only the answer
Each transformation is separated and explained so you can compare it with your own method.
Ask about any step
Continue in the same solution to request another method, check a restriction, or ask why a rule applies.
Core exponent laws
These laws apply to matching nonzero bases. The operation outside the powers determines what happens to the exponents.
A reliable way to work through it
Match the bases
Rewrite numerical powers with a common base when possible.
Apply one exponent law at a time
Keep product, quotient, and power-of-a-power rules separate to avoid mixing them.
Rewrite negative powers
Move a factor across the fraction bar and make its exponent positive.
Worked example
Simplify (x³ · x⁵) / x²
Add exponents when multiplying equal bases.
Subtract exponents when dividing equal bases.
Simplify the exponent.
For x not equal to zero, the expression simplifies to x⁶.
Common mistakes to check
Adding exponents across addition
The product rule applies to multiplication, not to aᵐ + aⁿ.
Treating a negative exponent as a negative number
a⁻ⁿ means 1/aⁿ when a is not zero.
Forgetting to power every factor
In (ab)ⁿ, the exponent applies to both a and b.
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Questions students ask
Can the calculator simplify negative exponents?
Yes. It rewrites them as reciprocals and explains any restrictions caused by zero denominators.
Can it work with fractional exponents?
Yes. Rational exponents can be rewritten as roots, such as x^(1/2) = √x.
Does it solve exponential equations?
Yes. It can match bases or use logarithms when a common-base rewrite is not available.
What is any nonzero number to the zero power?
It equals 1. The expression 0⁰ is a separate indeterminate case in many contexts.