Q: How is the number 661,475 written in Scientific Notation?

 A: 6.61475 x 105

Why is 661,475 written as 6.61475 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 661,475 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: 661,475
  • New Number: 6.61475

Step 2

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

New Number: 6.61475
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 = 6.61475

b = 5

Now the whole thing:

6.61475 x 105

Step 4

Check your work:

105 = 100,000 x 6.61475 = 661,475


More Scientific Notation Examples

661,473661,474661,476661,477
6.61473 x 1056.61474 x 1056.61476 x 1056.61477 x 105

Explore more about the number 661,475:


Ask a Question