Q: How is the number 105,621 written in Scientific Notation?

 A: 1.05621 x 105

Why is 105,621 written as 1.05621 x 105 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 105,621 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: 105,621
  • New Number: 1.05621

Step 2

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

New Number: 1.05621
Decimal Count: 12345

There are 5 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 = 1.05621

b = 5

Now the whole thing:

1.05621 x 105

Step 4

Check your work:

105 = 100,000 x 1.05621 = 105,621


More Scientific Notation Examples

105,619105,620105,622105,623
1.05619 x 1051.0562 x 1051.05622 x 1051.05623 x 105

Explore more about the number 105,621:


Ask a Question