Q: How is the number 104,642,420 written in Scientific Notation?

 A: 1.0464242 x 108

Why is 104,642,420 written as 1.0464242 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 104,642,420 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: 104,642,420
  • New Number: 1.04642420

Step 2

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

New Number: 1.04642420
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 = 1.0464242 (Please notice any zeroes on the end have been removed)

b = 8

Now the whole thing:

1.0464242 x 108

Step 4

Check your work:

108 = 100,000,000 x 1.0464242 = 104,642,420


More Scientific Notation Examples

104,642,418104,642,419104,642,421104,642,422
1.04642418 x 1081.04642419 x 1081.04642421 x 1081.04642422 x 108

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