Answer:
150.8
Step-by-step explanation:

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Answer:
Reactant plus reactant yields product.
Step-by-step explanation:
A decomposition reaction starts from a single substance and produces more than one substance. One substance as a reactant and more than one substance as the products is the key characteristic of a decomposition reaction.
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Answer:
Place the dot at 11 and make it go to the right make sure the dot is full not open. Solution is 
Step-by-step explanation:
The answer would actually be a 110 units because the bottom left corner had 20 units and the bigger square had 90.