Q: How is the number 1,865,145 written in Scientific Notation?

 A: 1.865145 x 106

Why is 1,865,145 written as 1.865145 x 106 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 1,865,145 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: 1,865,145
  • New Number: 1.865145

Step 2

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

New Number: 1.865145
Decimal Count: 123456

There are 6 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 = 1.865145

b = 6

Now the whole thing:

1.865145 x 106

Step 4

Check your work:

106 = 1,000,000 x 1.865145 = 1,865,145


More Scientific Notation Examples

1,865,1431,865,1441,865,1461,865,147
1.865143 x 1061.865144 x 1061.865146 x 1061.865147 x 106

Explore more about the number 1,865,145:


Ask a Question