Q: How is the number 83,124,743 written in Scientific Notation?

 A: 8.3124743 x 107

Why is 83,124,743 written as 8.3124743 x 107 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 83,124,743 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: 83,124,743
  • New Number: 8.3124743

Step 2

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

New Number: 8.3124743
Decimal Count: 1234567

There are 7 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 = 8.3124743

b = 7

Now the whole thing:

8.3124743 x 107

Step 4

Check your work:

107 = 10,000,000 x 8.3124743 = 83,124,743


More Scientific Notation Examples

83,124,74183,124,74283,124,74483,124,745
8.3124741 x 1078.3124742 x 1078.3124744 x 1078.3124745 x 107

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