Q: How is the number 30,204,385 written in Scientific Notation?

 A: 3.0204385 x 107

Why is 30,204,385 written as 3.0204385 x 107 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 30,204,385 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: 30,204,385
  • New Number: 3.0204385

Step 2

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

New Number: 3.0204385
Decimal Count: 1234567

There are 7 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 = 3.0204385

b = 7

Now the whole thing:

3.0204385 x 107

Step 4

Check your work:

107 = 10,000,000 x 3.0204385 = 30,204,385


More Scientific Notation Examples

30,204,38330,204,38430,204,38630,204,387
3.0204383 x 1073.0204384 x 1073.0204386 x 1073.0204387 x 107

Explore more about the number 30,204,385:


Ask a Question