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What is the sum of the first 6 terms of this geometric sequence?
-5, 10, -20, 40, ...
O A) -160
OB) -105
O C) 105
OD) 160

chemists are often responsible for designing a chemical reaction and analyzing the products obtained from it. one significant part of designing a chemical reaction is determining the amount of each reactant that is needed and the amount of each product that will be produced. in order to do so, chemists use stoichiometry, the quantitative relationships between reactants and products.

um is there supposed to be a picture?

if you get paid hourly because if you get a salary you could work all week and only get paid a certain amount no matter how much you work but if you get paid hourly then you get paid for every minute you worked.