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

Alkyl groups - iupac system of naming organic compounds, Alkyl groups - IUP...

Alkyl groups - IUPAC System of Naming Organic Compounds These groups involves one hydrogen atom less as compared to the alkane. These groups are named by substituting the suff

Thermogravimatic analysis, what is thermogavimatic analysis and their instu...

what is thermogavimatic analysis and their instumental

Equilibrium equation derivation, My problem is how should the specific equa...

My problem is how should the specific equation be derived using boundary condition. I have the final equation (which is based on Langmuir isotherm) and I know the boundary conditio

Electronic configuration and position in periodic table, Q. Electronic Conf...

Q. Electronic Configuration and Position in Periodic Table? The outstanding feature of the actinide and lanthanide elements is the great similarity in chemical and physical pro

Relative atomic mass and atomic mass unit, my question is what is differenc...

my question is what is difference between relative atomic mass and atomic mass unit.

What is standard enthalpy of formation, Q. What is Standard Enthalpy of For...

Q. What is Standard Enthalpy of Formation? Ans. It is really difficult to measure the total energy content or absolute entropy of a substance. In order to quantify entropy

Nonstoichiometry, Whereas a pure molecular species has a definite stoichiom...

Whereas a pure molecular species has a definite stoichiometry, this is not often true for solids. Defects in crystals will include vacancies (atoms missing from their expected site

D block elements, stability of cr3+ions from fe3+ions in aqueous medium

stability of cr3+ions from fe3+ions in aqueous medium

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