Q: How is the number 210,251,243 written in Scientific Notation?

 A: 2.10251243 x 108

Why is 210,251,243 written as 2.10251243 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 210,251,243 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: 210,251,243
  • New Number: 2.10251243

Step 2

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

New Number: 2.10251243
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 = 2.10251243

b = 8

Now the whole thing:

2.10251243 x 108

Step 4

Check your work:

108 = 100,000,000 x 2.10251243 = 210,251,243


More Scientific Notation Examples

210,251,241210,251,242210,251,244210,251,245
2.10251241 x 1082.10251242 x 1082.10251244 x 1082.10251245 x 108

Explore more about the number 210,251,243:


Ask a Question