Q: How is the number 288,121,187 written in Scientific Notation?

 A: 2.88121187 x 108

Why is 288,121,187 written as 2.88121187 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 288,121,187 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: 288,121,187
  • New Number: 2.88121187

Step 2

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

New Number: 2.88121187
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 = 2.88121187

b = 8

Now the whole thing:

2.88121187 x 108

Step 4

Check your work:

108 = 100,000,000 x 2.88121187 = 288,121,187


More Scientific Notation Examples

288,121,185288,121,186288,121,188288,121,189
2.88121185 x 1082.88121186 x 1082.88121188 x 1082.88121189 x 108

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