There are approximately 1.2•10 to the 8th power households in the US. If the average household uses 400 gallons of water each day, what is the total number of gallons of water used by the households in the US each day ? In scientific notation

look a the sides they are perpendicular

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step-by-step explanation:

a function could be identified in 3 ways either on a chart,graph, or ordered pairs. first a function is that each point has its own. the rule is that there can be many x's to one y but there can not be 2 x's at different y's. so on a graph when you put a straight line through the y's there should be one dot only to be a function.

step-by-step explanation: