# What is 0.00086 in scientific notation?

8.6*10-4

For numbers that follow zeros to the right of the decimal, you start to the right of the first non-zero digit and place the decimal there.

0.000**8.6**

Then you count the number of digits between the original decimal and the new decimal. This number is the exponent on 10.

0.**0008**.6 Exponent=**-4**

Now you have all the information you need. First you put the number you created in the first part (8.6), then you multiply it by 10exponent.

**8.6*10-4**