Q: How is the number 124,210,422 written in Scientific Notation?

 A: 1.24210422 x 108

Why is 124,210,422 written as 1.24210422 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 124,210,422 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: 124,210,422
  • New Number: 1.24210422

Step 2

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

New Number: 1.24210422
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 = 1.24210422

b = 8

Now the whole thing:

1.24210422 x 108

Step 4

Check your work:

108 = 100,000,000 x 1.24210422 = 124,210,422


More Scientific Notation Examples

124,210,420124,210,421124,210,423124,210,424
1.2421042 x 1081.24210421 x 1081.24210423 x 1081.24210424 x 108

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