Q: How is the number 111,315,507 written in Scientific Notation?

 A: 1.11315507 x 108

Why is 111,315,507 written as 1.11315507 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 111,315,507 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: 111,315,507
  • New Number: 1.11315507

Step 2

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

New Number: 1.11315507
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 = 1.11315507

b = 8

Now the whole thing:

1.11315507 x 108

Step 4

Check your work:

108 = 100,000,000 x 1.11315507 = 111,315,507


More Scientific Notation Examples

111,315,505111,315,506111,315,508111,315,509
1.11315505 x 1081.11315506 x 1081.11315508 x 1081.11315509 x 108

Explore more about the number 111,315,507:


Ask a Question