Q: How is the number 307,310,509 written in Scientific Notation?

 A: 3.07310509 x 108

Why is 307,310,509 written as 3.07310509 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 307,310,509 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: 307,310,509
  • New Number: 3.07310509

Step 2

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

New Number: 3.07310509
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 = 3.07310509

b = 8

Now the whole thing:

3.07310509 x 108

Step 4

Check your work:

108 = 100,000,000 x 3.07310509 = 307,310,509


More Scientific Notation Examples

307,310,507307,310,508307,310,510307,310,511
3.07310507 x 1083.07310508 x 1083.0731051 x 1083.07310511 x 108

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