February 22, 2017

Homework Help: Chemisty (Sig Figs)

Posted by Hannah on Monday, August 23, 2010 at 4:34pm.

Each of the following numbers was supposed to be rounded to two significant figures. For each one below, decide whether it was correctly rounded or not, and for those that were incorrectly rounded, correct them.

(a) 3.149 e3 to 3.2 e3
Its incorrect but I don't know the correct answer

(b) 7.999 102 to 80
same with this one

50.31 to 50.3
same with this one and I put 50.0 and it said check the number of sig figs

(d) 0.009914 to 0.010
this is incorrect but i don't know the correct one.

im not that good at sig figs:(

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