Q: How is the number 16,256,403 written in Scientific Notation?

 A: 1.6256403 x 107

Why is 16,256,403 written as 1.6256403 x 107 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 16,256,403 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: 16,256,403
  • New Number: 1.6256403

Step 2

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

New Number: 1.6256403
Decimal Count: 1234567

There are 7 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 = 1.6256403

b = 7

Now the whole thing:

1.6256403 x 107

Step 4

Check your work:

107 = 10,000,000 x 1.6256403 = 16,256,403


More Scientific Notation Examples

16,256,40116,256,40216,256,40416,256,405
1.6256401 x 1071.6256402 x 1071.6256404 x 1071.6256405 x 107

Explore more about the number 16,256,403:


Ask a Question