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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