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Electrical project question. Can you connect 80 - 1.5 volt batteries together (120 volts) to run an AC powered device? Use the properties of rational exponents to simplify (8^4/ 10^4)-1/4 - 8^4 is over 10^4 btw and second part is negative 1 divided by 4? Sn=192,a1=2,d=2 find n=? A student prepares 31.7 mL of 6.37 M KBr(aq) solution. How many mols of KBr are in solution? Differential equations. Solve the linear equations by considering y as a function of x, that is y = y(x) 1. y' + y = e^x 3. y' + 2y = -3x?