Q: How is the number 186,817,877 written in Scientific Notation?

 A: 1.86817877 x 108

Why is 186,817,877 written as 1.86817877 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 186,817,877 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: 186,817,877
  • New Number: 1.86817877

Step 2

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

New Number: 1.86817877
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 = 1.86817877

b = 8

Now the whole thing:

1.86817877 x 108

Step 4

Check your work:

108 = 100,000,000 x 1.86817877 = 186,817,877


More Scientific Notation Examples

186,817,875186,817,876186,817,878186,817,879
1.86817875 x 1081.86817876 x 1081.86817878 x 1081.86817879 x 108

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