Q: How is the number 25,022,290 written in Scientific Notation?

 A: 2.502229 x 107

Why is 25,022,290 written as 2.502229 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 25,022,290 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: 25,022,290
  • New Number: 2.5022290

Step 2

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

New Number: 2.5022290
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 = 2.502229 (Please notice any zeroes on the end have been removed)

b = 7

Now the whole thing:

2.502229 x 107

Step 4

Check your work:

107 = 10,000,000 x 2.502229 = 25,022,290


More Scientific Notation Examples

25,022,28825,022,28925,022,29125,022,292
2.5022288 x 1072.5022289 x 1072.5022291 x 1072.5022292 x 107

Explore more about the number 25,022,290:


Ask a Question