Q: How is the number 152,474,819 written in Scientific Notation?

 A: 1.52474819 x 108

Why is 152,474,819 written as 1.52474819 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 152,474,819 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: 152,474,819
  • New Number: 1.52474819

Step 2

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

New Number: 1.52474819
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 = 1.52474819

b = 8

Now the whole thing:

1.52474819 x 108

Step 4

Check your work:

108 = 100,000,000 x 1.52474819 = 152,474,819


More Scientific Notation Examples

152,474,817152,474,818152,474,820152,474,821
1.52474817 x 1081.52474818 x 1081.5247482 x 1081.52474821 x 108

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