Q: How is the number 17,621,904 written in Scientific Notation?

 A: 1.7621904 x 107

Why is 17,621,904 written as 1.7621904 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 17,621,904 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: 17,621,904
  • New Number: 1.7621904

Step 2

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

New Number: 1.7621904
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 = 1.7621904

b = 7

Now the whole thing:

1.7621904 x 107

Step 4

Check your work:

107 = 10,000,000 x 1.7621904 = 17,621,904


More Scientific Notation Examples

17,621,90217,621,90317,621,90517,621,906
1.7621902 x 1071.7621903 x 1071.7621905 x 1071.7621906 x 107

Explore more about the number 17,621,904:


Ask a Question