What are the rules used for round off numbers, Chemistry

Assignment Help:

Q. What are the rules used for round off numbers?

1. If the digit to the instantaneous right of the last significant figure is less than five don't change the last significant figure.

2. If the digit to the instantaneous right of the last significant figure is greater than five round up the last significant figure.

3. If the digit to the instantaneous right of the last significant figure is equal to five and is followed by a nonzero digit round up the last significant figure.

4. If the digit to the instantaneous right of the last significant figure is equal to five and isn't followed by a nonzero digit look at the last significant figure. If it is an odd digit round it up and if it is an even digit don't round up.

Whether you are adding or subtracting or multiplying or dividing you must always report your answer so that it has the same number of significant figures as the measurement with the fewest significant figures.


Related Discussions:- What are the rules used for round off numbers

Show egg foams application in food preparation, Q. Show Egg foams applicati...

Q. Show Egg foams application in food preparation? Foams need to be stable if they are to have a role in food preparation. Stability is enhanced if the surface tension is low,

Discuss about the term - photolithography, Discuss about the term - Photoli...

Discuss about the term - Photolithography Photolithography (also known as optical lithography), which is one of the kinds of lithography is a process used in micro fabrication

In an element going away from nucleus the energy of particle, In an element...

In an element going away from nucleus, the energy of particle : (1) Decreases (2) Not changing (3) Increases (4) None of these Ans: Increases

Hypothetical variation, Read the recent tribunal case  Taylor v Archicentre...

Read the recent tribunal case  Taylor v Archicentre Ltd   (General) [2012] NSWCTTT 348 (a)       Provide a summary account of the key material facts concerning the architectu

Which the following sets of quantum numbers is not allowed, Which of the fo...

Which of the following sets of quantum numbers is not allowed : (1) n=1, l=0,m=0 s= +1/2                   (2) n=1, l=1,m=0 s= -1/2              (3) n=2, l=1,m=1 s= +1/2

Insulating vessel containing negligible heat capacity, 2 Kg of ice at -20 d...

2 Kg of ice at -20 degree C is mixed with 5Kg of water 20 degree C in an insulating vessel containing negligible heat capacity. Measure the final mass of water remaining in the con

Determine the concentration of hydroxide ion in this buffer, In lab, buffer...

In lab, buffers solution based onto a 0.1 M solution of sodium phosphate at pH7.0.  Within this system, there are three of pK A s like:  12.7, 7.21 and 2.12. Determine the conce

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd