Q: How is the number 273,156,856 written in Scientific Notation?

 A: 2.73156856 x 108

Why is 273,156,856 written as 2.73156856 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 273,156,856 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: 273,156,856
  • New Number: 2.73156856

Step 2

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

New Number: 2.73156856
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 = 2.73156856

b = 8

Now the whole thing:

2.73156856 x 108

Step 4

Check your work:

108 = 100,000,000 x 2.73156856 = 273,156,856


More Scientific Notation Examples

273,156,854273,156,855273,156,857273,156,858
2.73156854 x 1082.73156855 x 1082.73156857 x 1082.73156858 x 108

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