A video game that usually costs $30.65 is marked down 60%. Kelvin determined that the new price of the game
would be $18.39. Look at Kelvin's work and find his error.
($30.65)(0.60) = $18.39
I
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What important discovery was made by edmond halley and alexis clairaut, using newton's ideas of mathematics and gravity? they created the scientific method to outline how science should be conducted. they were able to find the orbit of a comet and predict the year of its return. they discovered the three newest planets--uranus, neptune, and pluto. they explained why objects appear to have color.