Q: How is the number 91,282,569 written in Scientific Notation?

 A: 9.1282569 x 107

Why is 91,282,569 written as 9.1282569 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 91,282,569 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: 91,282,569
  • New Number: 9.1282569

Step 2

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

New Number: 9.1282569
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 = 9.1282569

b = 7

Now the whole thing:

9.1282569 x 107

Step 4

Check your work:

107 = 10,000,000 x 9.1282569 = 91,282,569


More Scientific Notation Examples

91,282,56791,282,56891,282,57091,282,571
9.1282567 x 1079.1282568 x 1079.128257 x 1079.1282571 x 107

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