Q: How is the number 143,253,291 written in Scientific Notation?

 A: 1.43253291 x 108

Why is 143,253,291 written as 1.43253291 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 143,253,291 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: 143,253,291
  • New Number: 1.43253291

Step 2

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

New Number: 1.43253291
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 = 1.43253291

b = 8

Now the whole thing:

1.43253291 x 108

Step 4

Check your work:

108 = 100,000,000 x 1.43253291 = 143,253,291


More Scientific Notation Examples

143,253,289143,253,290143,253,292143,253,293
1.43253289 x 1081.4325329 x 1081.43253292 x 1081.43253293 x 108

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