Q: How is the number 521,221,523 written in Scientific Notation?

 A: 5.21221523 x 108

Why is 521,221,523 written as 5.21221523 x 108 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 521,221,523 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: 521,221,523
  • New Number: 5.21221523

Step 2

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

New Number: 5.21221523
Decimal Count: 12345678

There are 8 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 = 5.21221523

b = 8

Now the whole thing:

5.21221523 x 108

Step 4

Check your work:

108 = 100,000,000 x 5.21221523 = 521,221,523


More Scientific Notation Examples

521,221,521521,221,522521,221,524521,221,525
5.21221521 x 1085.21221522 x 1085.21221524 x 1085.21221525 x 108

Explore more about the number 521,221,523:


Ask a Question