Q: How is the number 578,430,779 written in Scientific Notation?

 A: 5.78430779 x 108

Why is 578,430,779 written as 5.78430779 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 578,430,779 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: 578,430,779
  • New Number: 5.78430779

Step 2

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

New Number: 5.78430779
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 = 5.78430779

b = 8

Now the whole thing:

5.78430779 x 108

Step 4

Check your work:

108 = 100,000,000 x 5.78430779 = 578,430,779


More Scientific Notation Examples

578,430,777578,430,778578,430,780578,430,781
5.78430777 x 1085.78430778 x 1085.7843078 x 1085.78430781 x 108

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