Q: How is the number 131,519,998 written in Scientific Notation?

 A: 1.31519998 x 108

Why is 131,519,998 written as 1.31519998 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 131,519,998 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: 131,519,998
  • New Number: 1.31519998

Step 2

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

New Number: 1.31519998
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 = 1.31519998

b = 8

Now the whole thing:

1.31519998 x 108

Step 4

Check your work:

108 = 100,000,000 x 1.31519998 = 131,519,998


More Scientific Notation Examples

131,519,996131,519,997131,519,999131,520,000
1.31519996 x 1081.31519997 x 1081.31519999 x 1081.3152 x 108

Explore more about the number 131,519,998:


Ask a Question