Final answer:
The number 7.709 was rounded to 8 tenths (or 0.8).
Step-by-step explanation:
The number 7.709 was rounded to 8.
To determine the place value to which it was rounded, we look at the digit to the right of the desired place value. In this case, the digit to the right of the hundredths place is 0. Since 0 is less than 5, we round down. Therefore, 7.709 was rounded to 8 tenths (or 0.8).
So, the correct answer is A. Tenths.