Q: How is the number 553,143,655 written in Scientific Notation?

 A: 5.53143655 x 108

Why is 553,143,655 written as 5.53143655 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 553,143,655 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: 553,143,655
  • New Number: 5.53143655

Step 2

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

New Number: 5.53143655
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 = 5.53143655

b = 8

Now the whole thing:

5.53143655 x 108

Step 4

Check your work:

108 = 100,000,000 x 5.53143655 = 553,143,655


More Scientific Notation Examples

553,143,653553,143,654553,143,656553,143,657
5.53143653 x 1085.53143654 x 1085.53143656 x 1085.53143657 x 108

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