Q: How is the number 9,125 written in Scientific Notation?

 A: 9.125 x 103

Why is 9,125 written as 9.125 x 103 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 9,125 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: 9,125
  • New Number: 9.125

Step 2

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

New Number: 9.125
Decimal Count: 123

There are 3 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 = 9.125

b = 3

Now the whole thing:

9.125 x 103

Step 4

Check your work:

103 = 1,000 x 9.125 = 9,125


More Scientific Notation Examples

9,1239,1249,1269,127
9.123 x 1039.124 x 1039.126 x 1039.127 x 103

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