Q: How is the number 5,620,209 written in Scientific Notation?

 A: 5.620209 x 106

Why is 5,620,209 written as 5.620209 x 106 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 5,620,209 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: 5,620,209
  • New Number: 5.620209

Step 2

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

New Number: 5.620209
Decimal Count: 123456

There are 6 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 = 5.620209

b = 6

Now the whole thing:

5.620209 x 106

Step 4

Check your work:

106 = 1,000,000 x 5.620209 = 5,620,209


More Scientific Notation Examples

5,620,2075,620,2085,620,2105,620,211
5.620207 x 1065.620208 x 1065.62021 x 1065.620211 x 106

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