Q: How is the number 130,020,199 written in Scientific Notation?

 A: 1.30020199 x 108

Why is 130,020,199 written as 1.30020199 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 130,020,199 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: 130,020,199
  • New Number: 1.30020199

Step 2

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

New Number: 1.30020199
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 = 1.30020199

b = 8

Now the whole thing:

1.30020199 x 108

Step 4

Check your work:

108 = 100,000,000 x 1.30020199 = 130,020,199


More Scientific Notation Examples

130,020,197130,020,198130,020,200130,020,201
1.30020197 x 1081.30020198 x 1081.300202 x 1081.30020201 x 108

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