a) What is the Sun's flux at a distance of 54.7 million kilometers? (b) How much matter must be converted into energy to

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answerhappygod
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a) What is the Sun's flux at a distance of 54.7 million kilometers? (b) How much matter must be converted into energy to

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a) What is the Sun's flux at a distance of 54.7 million
kilometers? (b) How much matter must be converted into energy to
produce 10391 billion joules? (c) In a radioactive sample, there
are 1000 daughter atoms for every 547 parent atoms of a radioactive
isotope. If the half-life of the isotope is 7.49 years, how old is
the sample?
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