Q: How is the number 31,222,214 written in Scientific Notation?

 A: 3.1222214 x 107

Why is 31,222,214 written as 3.1222214 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 31,222,214 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: 31,222,214
  • New Number: 3.1222214

Step 2

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

New Number: 3.1222214
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 = 3.1222214

b = 7

Now the whole thing:

3.1222214 x 107

Step 4

Check your work:

107 = 10,000,000 x 3.1222214 = 31,222,214


More Scientific Notation Examples

31,222,21231,222,21331,222,21531,222,216
3.1222212 x 1073.1222213 x 1073.1222215 x 1073.1222216 x 107

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