Q: How is the number 313,243,432 written in Scientific Notation?

 A: 3.13243432 x 108

Why is 313,243,432 written as 3.13243432 x 108 in scientific notation?

The purpose of scientific notation is for scientists to write very large, or very small, numbers with ease.

Calculating scientific notation for a positive integer is simple, as it always follows this notation:

a x 10b

Follow the steps below to see how 313,243,432 is written in scientific notation.

Step 1

To find a, take the number and move a decimal place to the right one position.

  • Original Number: 313,243,432
  • New Number: 3.13243432

Step 2

Now, to find b, count how many places to the right of the decimal.

New Number: 3.13243432
Decimal Count: 12345678

There are 8 places to the right of the decimal place.

Step 3

Building upon what we know above, we can now reconstruct the number into scientific notation.

Remember, the notation is: a x 10b

a = 3.13243432

b = 8

Now the whole thing:

3.13243432 x 108

Step 4

Check your work:

108 = 100,000,000 x 3.13243432 = 313,243,432

More Scientific Notation Examples

313,243,430313,243,431313,243,433313,243,434
3.1324343 x 1083.13243431 x 1083.13243433 x 1083.13243434 x 108

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