Q: How is the number 31,203,363 written in Scientific Notation?

 A: 3.1203363 x 107

Why is 31,203,363 written as 3.1203363 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 31,203,363 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: 31,203,363
  • New Number: 3.1203363

Step 2

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

New Number: 3.1203363
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 = 3.1203363

b = 7

Now the whole thing:

3.1203363 x 107

Step 4

Check your work:

107 = 10,000,000 x 3.1203363 = 31,203,363


More Scientific Notation Examples

31,203,36131,203,36231,203,36431,203,365
3.1203361 x 1073.1203362 x 1073.1203364 x 1073.1203365 x 107

Explore more about the number 31,203,363:


Ask a Question