---
title: math.pow10() function
description: >
  `math.pow10()` returns 10**n, the base-10 exponential of `n`.
menu:
  flux_v0_ref:
    name: math.pow10
    parent: math
    identifier: math/pow10
weight: 101
---

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`math.pow10()` returns 10**n, the base-10 exponential of `n`.



##### Function type signature

```js
(n: int) => float
```

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For more information, see [Function type signatures](/flux/v0/function-type-signatures/).
{{% /caption %}}

## Parameters

### n
({{< req >}})
Exponent value.




## Examples

- [Return the base-10 exponential of n](#return-the-base-10-exponential-of-n)
- [Use math.pow10 in map](#use-mathpow10-in-map)

### Return the base-10 exponential of n

```js
import "math"

math.pow10(n: 3)// 1000.0


```


### Use math.pow10 in map

```js
import "math"
import "sampledata"

sampledata.int()
    |> map(fn: (r) => ({r with _value: math.pow10(n: r._value)}))

```

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#### Input data

| _time                | _value  | *tag |
| -------------------- | ------- | ---- |
| 2021-01-01T00:00:00Z | -2      | t1   |
| 2021-01-01T00:00:10Z | 10      | t1   |
| 2021-01-01T00:00:20Z | 7       | t1   |
| 2021-01-01T00:00:30Z | 17      | t1   |
| 2021-01-01T00:00:40Z | 15      | t1   |
| 2021-01-01T00:00:50Z | 4       | t1   |

| _time                | _value  | *tag |
| -------------------- | ------- | ---- |
| 2021-01-01T00:00:00Z | 19      | t2   |
| 2021-01-01T00:00:10Z | 4       | t2   |
| 2021-01-01T00:00:20Z | -3      | t2   |
| 2021-01-01T00:00:30Z | 19      | t2   |
| 2021-01-01T00:00:40Z | 13      | t2   |
| 2021-01-01T00:00:50Z | 1       | t2   |


#### Output data

| _time                | _value             | *tag |
| -------------------- | ------------------ | ---- |
| 2021-01-01T00:00:00Z | 0.01               | t1   |
| 2021-01-01T00:00:10Z | 10000000000        | t1   |
| 2021-01-01T00:00:20Z | 10000000           | t1   |
| 2021-01-01T00:00:30Z | 100000000000000000 | t1   |
| 2021-01-01T00:00:40Z | 1000000000000000   | t1   |
| 2021-01-01T00:00:50Z | 10000              | t1   |

| _time                | _value               | *tag |
| -------------------- | -------------------- | ---- |
| 2021-01-01T00:00:00Z | 10000000000000000000 | t2   |
| 2021-01-01T00:00:10Z | 10000                | t2   |
| 2021-01-01T00:00:20Z | 0.001                | t2   |
| 2021-01-01T00:00:30Z | 10000000000000000000 | t2   |
| 2021-01-01T00:00:40Z | 10000000000000       | t2   |
| 2021-01-01T00:00:50Z | 10                   | t2   |

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