Q: How is the number 428,612 written in Scientific Notation?

 A: 4.28612 x 105

Why is 428,612 written as 4.28612 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 428,612 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: 428,612
  • New Number: 4.28612

Step 2

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

New Number: 4.28612
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 = 4.28612

b = 5

Now the whole thing:

4.28612 x 105

Step 4

Check your work:

105 = 100,000 x 4.28612 = 428,612


More Scientific Notation Examples

428,610428,611428,613428,614
4.2861 x 1054.28611 x 1054.28613 x 1054.28614 x 105

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