One fluid ounce is equivalent to 0.0078125 US liquid gallon. How do you write 0.0078125 in scientific?

Answer 1

To express the number 0.0078125 in scientific notation, you write it as:

\[ 7.8125 \times 10^{-3} \]

This means you move the decimal point three places to the right to convert it into a number between 1 and 10, and then you multiply by \( 10^{-3} \) to account for that movement.