If you have rounded up, it will be an overestimate. If you have rounded down, it will be an underestimate.
Underestimate
It's an overestimate. The actual total is 1.61
Since the exact answer is 1.61, 2 is larger than 1.61 and hence an overestimate.
19.3333
If you have rounded up, it will be an overestimate. If you have rounded down, it will be an underestimate.
Advantages and disadvantages of overestimate and underestimate
If you rounded up, it's an overestimate, if you rounded down, it's an underestimate. If you did both, whatever you did more of will prevail.
Underestimate
Explain how you know whether an estimate of a product is an overestimate or an underestimate?
overestimate
Most people would estimate that as 6 (an overestimate) - 4 (an underestimate) which would estimate the answer as 2, which is an overestimate.
overestimate
To estimate too highly; to overvalue., An estimate that is too high; as, an overestimate of the vote.
You know if an answer is an over or underestimate because if the last 2 # is 5 and over, it is an overestimate. If the last 2 # is 4 and under, it is an underestimate. Ex: 345 answer if you were estimating 350 over. Ex: 232 if you were estimating your answer would be 230 and that is under.
79.5
You know when to overestimate when the last number is over five then you round it up. Under is the last number below five you round down.