Q: How is the number 253,356,003 written in Scientific Notation?

 A: 2.53356003 x 108

Why is 253,356,003 written as 2.53356003 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 253,356,003 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: 253,356,003
  • New Number: 2.53356003

Step 2

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

New Number: 2.53356003
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 = 2.53356003

b = 8

Now the whole thing:

2.53356003 x 108

Step 4

Check your work:

108 = 100,000,000 x 2.53356003 = 253,356,003


More Scientific Notation Examples

253,356,001253,356,002253,356,004253,356,005
2.53356001 x 1082.53356002 x 1082.53356004 x 1082.53356005 x 108

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