Asked by Albert
                To what decimal place should each answer be rounded? and how many significant figures does the rounded answer have? 
a) 9cm + 2.8 cm= 11.8cm (unrounded)
b) 0.135 atm + 0.6 atm= 0.735 atm (unrounded)
can you show me how to do this?
            
        a) 9cm + 2.8 cm= 11.8cm (unrounded)
b) 0.135 atm + 0.6 atm= 0.735 atm (unrounded)
can you show me how to do this?
Answers
                    Answered by
            DrBob222
            
    Read significant figures and rounding here.
http://www.chemteam.info/SigFigs/SigFigs.html
    
http://www.chemteam.info/SigFigs/SigFigs.html
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