Q: How is the number 135,520,069 written in Scientific Notation?

 A: 1.35520069 x 108

Why is 135,520,069 written as 1.35520069 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 135,520,069 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: 135,520,069
  • New Number: 1.35520069

Step 2

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

New Number: 1.35520069
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 = 1.35520069

b = 8

Now the whole thing:

1.35520069 x 108

Step 4

Check your work:

108 = 100,000,000 x 1.35520069 = 135,520,069


More Scientific Notation Examples

135,520,067135,520,068135,520,070135,520,071
1.35520067 x 1081.35520068 x 1081.3552007 x 1081.35520071 x 108

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