iAttachment 37164 I dont understand this question . The author want the at least 2 significant correct . why 0.5x10^(2-m) is used ? It's not clear that the author want the answer to be less than 5 ?50? 0.5 ? 0.05 ?or 0.005? Can someone explain it ? Attachment 37164
Last edited by xl5899; Mar 8th 2017 at 06:30 PM.
Follow Math Help Forum on Facebook and Google+
They want to look at so many significant digits.
Do you understand what it means to check if something is less than 10^(-x)?
Note that the 0.5 makes sure that if you round up or down then you still have significance.