Q: How is the number 123,872,803 written in Scientific Notation?

 A: 1.23872803 x 108

Why is 123,872,803 written as 1.23872803 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 123,872,803 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: 123,872,803
  • New Number: 1.23872803

Step 2

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

New Number: 1.23872803
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 = 1.23872803

b = 8

Now the whole thing:

1.23872803 x 108

Step 4

Check your work:

108 = 100,000,000 x 1.23872803 = 123,872,803


More Scientific Notation Examples

123,872,801123,872,802123,872,804123,872,805
1.23872801 x 1081.23872802 x 1081.23872804 x 1081.23872805 x 108

Explore more about the number 123,872,803:


Ask a Question