Q: How is the number 13,102,520 written in Scientific Notation?

 A: 1.310252 x 107

Why is 13,102,520 written as 1.310252 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 13,102,520 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: 13,102,520
  • New Number: 1.3102520

Step 2

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

New Number: 1.3102520
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 = 1.310252 (Please notice any zeroes on the end have been removed)

b = 7

Now the whole thing:

1.310252 x 107

Step 4

Check your work:

107 = 10,000,000 x 1.310252 = 13,102,520


More Scientific Notation Examples

13,102,51813,102,51913,102,52113,102,522
1.3102518 x 1071.3102519 x 1071.3102521 x 1071.3102522 x 107

Explore more about the number 13,102,520:


Ask a Question