Q: How is the number 48,315,189 written in Scientific Notation?

 A: 4.8315189 x 107

Why is 48,315,189 written as 4.8315189 x 107 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 48,315,189 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: 48,315,189
  • New Number: 4.8315189

Step 2

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

New Number: 4.8315189
Decimal Count: 1234567

There are 7 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 = 4.8315189

b = 7

Now the whole thing:

4.8315189 x 107

Step 4

Check your work:

107 = 10,000,000 x 4.8315189 = 48,315,189


More Scientific Notation Examples

48,315,18748,315,18848,315,19048,315,191
4.8315187 x 1074.8315188 x 1074.831519 x 1074.8315191 x 107

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