Q: How is the number 615,509 written in Scientific Notation?

 A: 6.15509 x 105

Why is 615,509 written as 6.15509 x 105 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 615,509 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: 615,509
  • New Number: 6.15509

Step 2

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

New Number: 6.15509
Decimal Count: 12345

There are 5 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 = 6.15509

b = 5

Now the whole thing:

6.15509 x 105

Step 4

Check your work:

105 = 100,000 x 6.15509 = 615,509


More Scientific Notation Examples

615,507615,508615,510615,511
6.15507 x 1056.15508 x 1056.1551 x 1056.15511 x 105

Explore more about the number 615,509:


Ask a Question