Q: How is the number 366,221 written in Scientific Notation?

 A: 3.66221 x 105

Why is 366,221 written as 3.66221 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 366,221 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: 366,221
  • New Number: 3.66221

Step 2

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

New Number: 3.66221
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 = 3.66221

b = 5

Now the whole thing:

3.66221 x 105

Step 4

Check your work:

105 = 100,000 x 3.66221 = 366,221


More Scientific Notation Examples

366,219366,220366,222366,223
3.66219 x 1053.6622 x 1053.66222 x 1053.66223 x 105

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