Scientific Notation Calculator › 18 in scientific notation
18 in Scientific Notation
18 = 1.8 × 10¹
| Standard form | 1.8 × 10¹ |
| Coefficient | 1.8 |
| Exponent | 1 |
How 18 breaks down
18 has 2 digits, so it lands in the tens — the order of magnitude 10¹. That is why the exponent is 1.
| Expanded form | 1.8 × 10 |
| E-notation (calculators) | 1.8E1 |
| Significant figures | 2 |
| Order of magnitude | 10¹ (tens) |
Reading it back: 1.8 × 10 = 18.
Nearby numbers in scientific notation
Frequently asked questions
What is 18 in scientific notation?
18 in scientific notation is 1.8 × 10¹. The coefficient is 1.8 and the exponent is 1.
How do you convert 18 to scientific notation?
Move the decimal point so one non-zero digit stays to its left (giving 1.8), then count the 1 place you moved it — that is the exponent 1. So 18 = 1.8 × 10¹.