How do you write 0.000806 in scientific notation?

Answer 1

To write the number 0.000806 in scientific notation, you need to express it as a product of a number between 1 and 10 and a power of 10.

1. Move the decimal point to the right until you have a number between 1 and 10. In this case, moving the decimal point three places to the right gives you 8.06.
2. Count how many places you moved the decimal point; here, it is 3 places.
3. Since you moved the decimal to the right, you will use a negative exponent.

Putting it all together, 0.000806 in scientific notation is:

\[ 8.06 \times 10^{-4} \]