Q: How is the number 820,652,542 written in Scientific Notation?

 A: 8.20652542 x 108

Why is 820,652,542 written as 8.20652542 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 820,652,542 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: 820,652,542
  • New Number: 8.20652542

Step 2

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

New Number: 8.20652542
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 = 8.20652542

b = 8

Now the whole thing:

8.20652542 x 108

Step 4

Check your work:

108 = 100,000,000 x 8.20652542 = 820,652,542


More Scientific Notation Examples

820,652,540820,652,541820,652,543820,652,544
8.2065254 x 1088.20652541 x 1088.20652543 x 1088.20652544 x 108

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