Scientific Notation Calculator › 15 in scientific notation
15 in Scientific Notation
15 = 1.5 × 10¹
| Standard form | 1.5 × 10¹ |
| Coefficient | 1.5 |
| Exponent | 1 |
How 15 breaks down
15 has 2 digits, so it lands in the tens — the order of magnitude 10¹. That is why the exponent is 1.
| Expanded form | 1.5 × 10 |
| E-notation (calculators) | 1.5E1 |
| Significant figures | 2 |
| Order of magnitude | 10¹ (tens) |
Reading it back: 1.5 × 10 = 15.
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Frequently asked questions
What is 15 in scientific notation?
15 in scientific notation is 1.5 × 10¹. The coefficient is 1.5 and the exponent is 1.
How do you convert 15 to scientific notation?
Move the decimal point so one non-zero digit stays to its left (giving 1.5), then count the 1 place you moved it — that is the exponent 1. So 15 = 1.5 × 10¹.