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Needing detailed answer of a functions question. Thank you in advance.? How many molecules are in 4.5 grams of Ca(OH)2? How to simplify (25-u^2) and also put u before the number? A die is rolled 9times. Find the probability of rolling exactly 1 five.? Is the size of our universe finite. If it is, what would happen if you reached the edge of the universe and tried to move beyond the edge.?