Q: How is the number 172,502,110 written in Scientific Notation?

 A: 1.7250211 x 108

Why is 172,502,110 written as 1.7250211 x 108 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 172,502,110 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: 172,502,110
  • New Number: 1.72502110

Step 2

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

New Number: 1.72502110
Decimal Count: 12345678

There are 8 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 = 1.7250211 (Please notice any zeroes on the end have been removed)

b = 8

Now the whole thing:

1.7250211 x 108

Step 4

Check your work:

108 = 100,000,000 x 1.7250211 = 172,502,110


More Scientific Notation Examples

172,502,108172,502,109172,502,111172,502,112
1.72502108 x 1081.72502109 x 1081.72502111 x 1081.72502112 x 108

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