The digits 1 at other powers of ten
Only the power changes when the decimal point moves – each place right is one more step of ten.
| Number | Scientific notation | E-notation |
|---|---|---|
| 0.1 | 1 × 10⁻¹ | 1E-1 |
| 0.01 | 1 × 10⁻² | 1E-2 |
| 0.001 | 1 × 10⁻³ | 1E-3 |
| 0.0001 | 1 × 10⁻⁴ | 1E-4 |
| 0.00001 | 1 × 10⁻⁵ | 1E-5 |
| 0.000001 | 1 × 10⁻⁶ | 1E-6 |
| 0.0000001 | 1 × 10⁻⁷ | 1E-7 |
| 0.00000001 | 1 × 10⁻⁸ | 1E-8 |
| 0.000000001 | 1 × 10⁻⁹ | 1E-9 |
Other numbers × 10⁻⁸
- 0.000000015 = 1.5 × 10⁻⁸
- 0.00000002 = 2 × 10⁻⁸
- 0.000000025 = 2.5 × 10⁻⁸
- 0.00000003 = 3 × 10⁻⁸
- 0.000000035 = 3.5 × 10⁻⁸
- 0.00000004 = 4 × 10⁻⁸
- 0.000000045 = 4.5 × 10⁻⁸
- 0.00000005 = 5 × 10⁻⁸
- 0.00000006 = 6 × 10⁻⁸
- 0.00000007 = 7 × 10⁻⁸
- 0.000000075 = 7.5 × 10⁻⁸
- 0.00000008 = 8 × 10⁻⁸
- 0.00000009 = 9 × 10⁻⁸
Try different values
Frequently asked questions
Is 10 × 10⁻⁹ the same as 1 × 10⁻⁸?
It has the same value, but it isn’t scientific notation: the number in front must be at least 1 and less than 10, and 10 is not. Move the point one more place and add 1 to the power: 1 × 10⁻⁸.
Any other number – or multiplying, dividing, adding and subtracting in scientific notation – use the Scientific Notation Calculator.