3600s/h * 24h/d * 365d/y = 31,536000 s/yr
Accuracy = (8/31,536,000) * 100% = 2.54*10^-5.
A watch manufacturer claims that its watches gain or lose no more than 8 s in a year.
How accurate is this watch, expressed as a percentage?
Express your answer using one significant figure.
1 answer
5 answers