# Q: How is the number 987,543,247 written in Scientific Notation?

A: 9.87543247 x 108

## Why is 987,543,247 written as 9.87543247 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 987,543,247 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: 987,543,247
• New Number: 9.87543247

### Step 2

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

 New Number: 9 . 8 7 5 4 3 2 4 7 Decimal Count: 1 2 3 4 5 6 7 8

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 = 9.87543247

b = 8

Now the whole thing:

9.87543247 x 108

### Step 4

108 = 100,000,000 x 9.87543247 = 987,543,247

### More Scientific Notation Examples

 987,543,245 987,543,246 987,543,248 987,543,249 9.87543245 x 108 9.87543246 x 108 9.87543248 x 108 9.87543249 x 108

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