Q: How is the number 4,556,091 written in Scientific Notation?

 A: 4.556091 x 106

Why is 4,556,091 written as 4.556091 x 106 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 4,556,091 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: 4,556,091
  • New Number: 4.556091

Step 2

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

New Number: 4.556091
Decimal Count: 123456

There are 6 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 = 4.556091

b = 6

Now the whole thing:

4.556091 x 106

Step 4

Check your work:

106 = 1,000,000 x 4.556091 = 4,556,091


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4.556089 x 1064.55609 x 1064.556092 x 1064.556093 x 106

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