Posted by Hannah on Monday, August 23, 2010 at 8:09pm.
this is my last question for the whole assigment and im soo glad!!!
(9465 + 45  9.9) 8.1 X 10^6
i got 76950.e6
it said it was half right and said check your number of sig figs

Chemisty (Sig Figs)  bobpursley, Monday, August 23, 2010 at 8:17pm
the 8.1 will limit the answer to two sig figures. The answer cannot be more precise than the least precise number.

Chemisty (Sig Figs)  Hannah, Monday, August 23, 2010 at 8:17pm
oh so i have to round. so id be 7.7e6?

Chemisty (Sig Figs)  bobpursley, Monday, August 23, 2010 at 8:19pm
Nope. 77000e6 or 7.7e10

Chemisty (Sig Figs)  Hannah, Monday, August 23, 2010 at 8:19pm
oh i understand thanks a bunch! youve helped me a lot!!
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