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Maths Puzzle
Log and Antilog
HOw do I solve log16 2=w
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Book Other Question
Sally can paint a house in 4 hours and Joe can paint the same house in 6 hours. If they work together how long will it take them to paint the house?
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If 23.00 grams of a 45.00 gram sample of unknown isotope remain after 17 days 12 hours, what is the half-life of the unknown isotope to the nearest minute?