Q: How is the number 77,814,124 written in Scientific Notation?

 A: 7.7814124 x 107

Why is 77,814,124 written as 7.7814124 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 77,814,124 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: 77,814,124
  • New Number: 7.7814124

Step 2

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

New Number: 7.7814124
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 = 7.7814124

b = 7

Now the whole thing:

7.7814124 x 107

Step 4

Check your work:

107 = 10,000,000 x 7.7814124 = 77,814,124


More Scientific Notation Examples

77,814,12277,814,12377,814,12577,814,126
7.7814122 x 1077.7814123 x 1077.7814125 x 1077.7814126 x 107

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