# What do you know about scientific notation calculators?

A **Scientific notation calculator** is an online tool with a solution-by calculator which helps you add, subtract, multiply and divide in scientific notation.

- Scientific notation
- E notation
- Engineering notation
- Decimal notation

### Scientific notation

It is used with all numbers that are large or small. These are used in the fields related to science, such as calculations of physics, applications of engineering and formulas of chemistry. It is represented by * 10n. N is the power, and 10 is the exponent.

### E-notation

E notation is the basic and easy way to write all large or small numbers. It is helpful for all those numbers that cannot be written in decimal formats. An exponential notation calculator displays numbers of times ten raised to the power of without the hustle of manual calculation.

### Engineering notation

Engineering notation has similarities with **Scientific notation**but has some distinctive differences. The exponent n is limited to multiples of 3, such as 0, 3, 6, 9, 12,-3,-6 and so on.

### Decimal notation

To convert from **scientific notation** to decimal notation there, all you have to do is to move the decimal place and then write it in the form of power of 10.

### List out some of the real-life examples of scientific notation!

The population of the world is around 7 billion, which is 7,000,000,000 = 7 x 109

Distance from the earth to the moon is 240 thousand miles or 240,000 miles = 2.4 x 105

The speed of light is represented as 1080 million km per hour or 1,080,000,000 km per hour = 1.08 x 109

Distance from the sun to the nearest star is 39,900,000,000,000 km = 3.99 x 1013

The approximate number of cells in the human body is 100 trillion or 100,000,000,000,000 = 1.0 x 1014

The diameter of a grain of sand is 24 ten-thousandths inch or 0.0024inch = 2.4 x10-3

Mass of an electron is 0.000000000000000000000000000000091093822 kg = 9.1093822 x 10-31

The density of oxygen is 1332 millionths g per cc or 0.001332 g per cc = 1.332 x 10-3