Q: How is the number 856,998 written in Scientific Notation?

 A: 8.56998 x 105

Why is 856,998 written as 8.56998 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 856,998 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: 856,998
  • New Number: 8.56998

Step 2

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

New Number: 8.56998
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 = 8.56998

b = 5

Now the whole thing:

8.56998 x 105

Step 4

Check your work:

105 = 100,000 x 8.56998 = 856,998


More Scientific Notation Examples

856,996856,997856,999857,000
8.56996 x 1058.56997 x 1058.56999 x 1058.57 x 105

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