56.8 and 56.9
Step-by-step explanation
Step 1
To round 56.834 to the nearest tenth consider the hundredths’ value of 56.834, which is 3 and less than 5. Therefore, the tenths value of 56.834 remains 8
leaving only one number after the decimal point
56.834 rounded to the nearest tenth = 56.8
Step 2
the endpoints are

I hope this helps you