Q: How is the number 27,520,199 written in Scientific Notation?

 A: 2.7520199 x 107

Why is 27,520,199 written as 2.7520199 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 27,520,199 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: 27,520,199
  • New Number: 2.7520199

Step 2

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

New Number: 2.7520199
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 = 2.7520199

b = 7

Now the whole thing:

2.7520199 x 107

Step 4

Check your work:

107 = 10,000,000 x 2.7520199 = 27,520,199


More Scientific Notation Examples

27,520,19727,520,19827,520,20027,520,201
2.7520197 x 1072.7520198 x 1072.75202 x 1072.7520201 x 107

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