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Scientific Notation

Scientific notation is the expression of a number based on the largest exponent of 10 for its value, where the form is a decimal number A x 10n.

6,389 Questions

How do you convert 5 870 000 000 to scientific notation?

5.87*109 by moving the decimal point 9 places to the left and multiplying it by 10 to the power of 9

How do you get the scientific notation of 324 500 000?

It is: 3.245*108 which means that the decimal point must be moved 8 places to the right to get back to 324,500,000

What the scientific notation of 56210?

56,210 can be written as 5.62 × 104 in scientific notation.

Why would you use scientific notation?

Scientific notation is a way of writing really huge, or really tiny, numbers that saves time and space and ink, etc. For example, the World Book Encyclopedia lists the Earth's mass as

6,000,000,000,000,000,000,000,000 kilograms.

Why write such an unwieldy number when you can, instead, write

6.0 x 1024 kg.

The classical radius of an electron is

0.0000000000000028179 meters.

Again, why write such a space wasting number when you can write it like so:

2.8179 x 10-15m

What is the long form for 1.99 x 10 to the 8th power?

1.99 × 108 written in regular notation (long form) is 199,000,000