Matematika

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Scientific Notation Converter

Standard Number

What is Scientific Notation?

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Scientific notation expresses very large or very small numbers as a coefficient (1 ≤ a < 10) multiplied by a power of 10. It is essential in science and engineering where values span many orders of magnitude.

Calkulon makes complex calculations simple — built for students and everyday problem-solvers.

How to Scientific Notation

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1Move the decimal point until you have a number between 1 and 10
2Count the number of places moved — this becomes the exponent
3If you moved left, the exponent is positive; if right, it is negative
4Write as: a × 10ⁿ

Worked Examples

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Example 1

Given:93,000,000

Výsledok:9.3 × 10⁷

Decimal moved 7 places left

Example 2

Given:0.00000045

Výsledok:4.5 × 10⁻⁷

Decimal moved 7 places right

Example 3

Given:6.022 × 10²³

Výsledok:602,200,000,000,000,000,000,000

Avogadro's number

Scientific Notation Reference

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Power	Value	Prefix	Example
10¹²	1,000,000,000,000	Tera (T)	1 TB of data
10⁹	1,000,000,000	Giga (G)	1 GHz processor
10⁶	1,000,000	Mega (M)	1 MB file
10³	1,000	Kilo (k)	1 km
10⁻³	0.001	Milli (m)	1 mm
10⁻⁶	0.000001	Micro (μ)	1 μm
10⁻⁹	0.000000001	Nano (n)	1 nm

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Did you know?

The mass of a proton is 1.67 × 10⁻²⁷ kg. The number of atoms in the observable universe is estimated at 10⁸⁰. Scientific notation lets us write both on the same line.

References

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Reviewed October 2026

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