Q: How is the number 17,261 written in Scientific Notation?

Why is 17,261 written as 1.7261 x 10⁴ 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 10^b

Follow the steps below to see how 17,261 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: 17,261
• New Number: 1.7261

Step 2

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

New Number:	1	.	7	2	6	1
Decimal Count:			1	2	3	4

There are 4 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 10^b

a = 1.7261

b = 4

Now the whole thing:

1.7261 x 10⁴

Step 4

Check your work:

10⁴ = 10,000 x 1.7261 = 17,261

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