Q: How is the number 887,643 written in Scientific Notation?

 A: 8.87643 x 105

Why is 887,643 written as 8.87643 x 105 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 887,643 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: 887,643
  • New Number: 8.87643

Step 2

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

New Number: 8.87643
Decimal Count: 12345

There are 5 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 = 8.87643

b = 5

Now the whole thing:

8.87643 x 105

Step 4

Check your work:

105 = 100,000 x 8.87643 = 887,643


More Scientific Notation Examples

887,641887,642887,644887,645
8.87641 x 1058.87642 x 1058.87644 x 1058.87645 x 105

Explore more about the number 887,643:


Ask a Question