Answer:
412.5
Explanation:
all you have to do is multiply .15
Fossil Fuels is the largest source for energy
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The x component of the force is 8.4N * cos(31°) = 7.2N (2 s.f.)
A method of procedure that has characterized natural science since the 17th century, consisting in systematic observation, measurement, and experiment, and the formulation, testing, and modification of hypotheses.