Answer: 20.7
Explanation:
Step 1. Ok, to round to the nearest 10th means to round to the nearest 10th place on the decimal side of the of the number.
Step 2. The 10th place in this decimal 10.73 is where the 7 is.
Step 3. If the 100th place is less than 5 you round down. Since, the hundredth place in this decimal is where the 3 is you are going to round down.
The answer is 20.7. Hope this helps!