The mass of fuel in an airplane must be determined before takeoff. A jet contains 10169 L of fuel after it has been filled with fuel.

Part A
What is the mass of the fuel in kilograms if the fuel's density is 0.774 g/cm3?
Express your answer in kilograms to three significant figures.

1.800

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the old alchemists made significant contributions to science even though there starting premises were off a bit. their conclusions after failure would steer them into better directions for investigation. science is no more than close observation and the initial mistakes result in rethinking and retrying experiments.

answer : a model is often used to explain and make things easier to understand when any scientific topic needs to be demonstrated and explained.

as in this case where a scientist wants to use a model to present the results of his detailed scientific investigation. he should do it as it will him to make the audience understand the concept in a much better way. also, it can be changed according to new scientific understandings.