**10 to the negative 9th power**, our post about the mathematical operation

*exponentiation of 10 to the power of -9*.

If you have been looking for 10 to the negative ninth power, or if you have been wondering about 10 exponent minus 9, then you also have come to the right place.

The number 10 is called the base, and the number minus 9 is called the exponent. In this post we are going to answer the question

*what is 10 to the negative 9th power*.

Keep reading to learn everything about ten to the negative ninth power.

## What is 10 to the Negative 9th Power?

10 to the negative 9th power is conventionally written as 10^{-9}, with superscript for the exponent, but the notation using the caret symbol ^ can also be seen frequently: 10^-9.

10^{-9} stands for the mathematical operation *exponentiation of ten by the power of negative nine*.

As the exponent is a negative integer, exponentiation means the reciprocal of a repeated multiplication:

The absolute value of the exponent of the number -9, 9, denotes how many times to multiply the base (10), and the power’s minus sign stands for reciprocal.

Thus, we can answer what is 10 to the negative 9th power as

**10 to the power of minus 9 = 10**.

^{-9}= 1 / 1000000000If you have come here in search of an exponentiation different to 10 to the negative ninth power, or if you like to experiment with bases and indices, then use our calculator below.

To stick with 10 to the power of negative 9 as an example, insert 10 for the base and enter -9 as the index, aka exponent or power.

10 to the negative 9th power is an exponentiation which belongs to the category powers of 10.

Similar exponentiations on our site in this category include, but are not limited, to:

Ahead is more info related to 10 to the negative 9 power, along with instructions how to use the search form, located in the sidebar or at the bottom, to obtain a number like 10 to the power negative 9.

## 10 to the Power of -9

Reading all of the above, you already know most about 10 to the power of minus 9, except for its inverse which is discussed a bit further below in this section.

Using the aforementioned search form you can look up many numbers, including, for instance, 10 to the power minus 9, and you will be taken to a result page with relevant posts.

Now, we would like to show you what the inverse operation of 10 to the negative 9th power, (10^{-9})^{−1}, is. The inverse is the 1 over the 9th root of 10^{9}, and the math goes as follows:

^{-9})

^{−1}

Because the index of 9 is not a multiple of 2, which means odd, in contrast to even numbers, the operation produces only one value: (10

^{9})

^{−1}

Make sure to understand that exponentiation is not commutative, which means that 10

^{-9}≠ -9

^{10}, and also note that (10

^{-9})

^{-1}≠ 10

^{9}, the inverse and reciprocal of 10

^{-9}, respectively.

You already know what 10 to the power of minus 9 equals, but you may also be interested in learning what 10 to the 9th power stands for.

Next is the summary of negative 9 power of 10.

## Ten to the Negative Ninth Power

You have reached the final part of ten to the negative ninth power. Ten to the negative ninth power is the same as 10 to the power minus 9 or 10 to the minus 9 power.

Exponentiations like 10^{-9} make it easier to write multiplications and to conduct math operations as numbers get either big or small, such as in case of decimal fractions with lots of trailing zeroes.

If you have been looking for 10 power -9, *what is 10 to the negative 9 power*, 10 exponent minus 9 or 9 negative power of 10, then it’s safe to assume that you have found your answer as well.

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## Conclusion

In summary,

If you like to learn more about exponentiation, the mathematical operation conducted in 10^{-9}, then check out the articles which you can locate in the header menu of our site.

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