Be sure to answer all parts.   A small hole in the wing of a space shuttle requires a 24.7 cm2 patch.   (a) What is the patch's area in square kilometers (km2)? Enter your answer in scientific notation. (b) If the patching material costs NASA $2.86/in2 ,what is the cost of the patch to the nearest cent?

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Q: What is the volume of 3.67 kg of mercury at 25 C? You can use any reliable reference to look up the…

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Q: The mass of a proton is 1.67 times 10-27kg. What is the mass of a proton in gigagrams?

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