Scientific Notation Calculator
Convert between decimal, scientific and E notation.
Result
Scientific notation4.2 × 10^-5
E notation4.2e-5
Decimal0.000042
Scientific Notation Calculator — FAQs
What is scientific notation?
A number written as mantissa × 10^exponent — 0.000042 = 4.2 × 10⁻⁵. Used for very large/small numbers.
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