Q: How is the number 325,309 written in Scientific Notation?

 A: 3.25309 x 105

Why is 325,309 written as 3.25309 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 325,309 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: 325,309
  • New Number: 3.25309

Step 2

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

New Number: 3.25309
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 = 3.25309

b = 5

Now the whole thing:

3.25309 x 105

Step 4

Check your work:

105 = 100,000 x 3.25309 = 325,309


More Scientific Notation Examples

325,307325,308325,310325,311
3.25307 x 1053.25308 x 1053.2531 x 1053.25311 x 105

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