Welcome to use this free online calculator, which can help you find the missing base of an exponent. Usually, we calculate the value according to the base and exponent. Instead, the missing base of an exponent calculator calculate the base from the exponent and value.
How to use the missing base of an exponent calculator
According to the above description, you should guess how to use this calculator. There are three steps:
- Enter the exponent into the first input box.
- Enter the value into the second input box.
- Click the Calculate button to get the answer, click the Reset button to start a new calculation.
Next, let’s look at some examples.
Solved examples using missing base of an exponent calculator
Example 1: x2 = 81, what is x?
Calculate by calculator:
- Enter 2 into the first input box.
- Enter 81 into the second input box.
- Finally, press Calculate button.
As the picture shows, the base is 9. This means 92 = 81.
Example 2: y3 = 512, what is y?
Calculate by calculator:
- Enter 3 into the first input box.
- Enter 512 into the second input box.
- Finally, press Calculate button.
As the picture shows, the result is 8, so 83 = 512.
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