Q: How is the number 724,602,321 written in Scientific Notation?

 A: 7.24602321 x 108

Why is 724,602,321 written as 7.24602321 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 724,602,321 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: 724,602,321
  • New Number: 7.24602321

Step 2

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

New Number: 7.24602321
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 = 7.24602321

b = 8

Now the whole thing:

7.24602321 x 108

Step 4

Check your work:

108 = 100,000,000 x 7.24602321 = 724,602,321


More Scientific Notation Examples

724,602,319724,602,320724,602,322724,602,323
7.24602319 x 1087.2460232 x 1087.24602322 x 1087.24602323 x 108

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