30 points!!
What is the mass of a 10 gram sample of potassium-42 that will remain unchanged after 124 hours?

Can you help me with this math problem? Im having a hard time with it, if you can explain it too that would help a lot. attachment below MUSIC WORK PLEASE HELP- Can some one help me with this I really don't feel like doing it too much work and I am lazy. Will give brianliest to the riht answer lol. You are spelling out words. Not history work actually music work. Reading question i dont know how to do please help SELECT ALL THAT APPLYI WILL MARK BRAINLIESTThe freedoms mentioned in the First Amendment are:freedom of religionthe right to assemble peacefullyfreedom to coin moneyfreedom of the pressthe right to keep and bear armsthe right to free speech help pls will give brainliest Getaway Travel Agency surveyed a random sample of 454545 of their clients about their vacation plans. Of the clients surveyed, 212121 expected that they would go on 333 vacations in the next year. There are 516516516 Getaway Travel Agency clients. Based on the data, what is the most reasonable estimate for the number of Getaway Travel Agency clients who expect to go on 333 vacations in the next year? Choose 1 answer: Choose 1 answer: (Choice A) A 454545 (Choice B) B 241241241 (Choice C) C 275275275 (Choice D) D 467467 simplfy -3+7 ooooooooooooooooooooooooooooooooooooooooooooooooo what are five relationships between animals Does anyone know the answer Solve the system of equations - x - y = 6 and 5x -7y=66 by combining the equations One factor of x^2 + 5x - 24 is? How many extraneous solutions does the equation below have?fraction numerator 2 m over denominator 2 m plus 3 end fraction minus fraction numerator 2 m over denominator 2 m minus 3 end fraction equals 1 3x-8y=-2 and 14x+8y=36 Find the length and width of the frame How many atoms are in 39.2 g of calcium?a) 6.022 x 10^23 aomsb) 235.2 x 10^23 atomsc) 5.89 x 10^23 atomsd) 40.08 x 10^23 atoms The Articles of Confederation didn't create executive or legal branches of government. khloe and her children went into a movie theater where they sell bags of popcorn for $7 each and candies for $4 each. khope has $60 and must buy no less than 11 bags of popcorn and candies altogether. if x represents the number of bags of popcorn purchased and y represents the number of candies pruchased, write and solve a system of inequalities and determine one possible solutionboth inequalities must start with y Yo can someone help me out A barrel of oil was filled at a constant rate of 6.2gal/min. The barrel had 9 gallons before filling began. Enter an equation in standard form. Why are body senses in psychology?