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Design wab sit? Find the solubility of a aqueous PbSO4 solution. Ksp=1.6*10^-8 mol^2 dm^-6? Find the sum of the first 25 terms of the arithmetic sequence. a-1=100
a-25=220? Find a formula for the nth term of the arithmetic sequence. First Term 1
Common Difference 4? What jobs dont need any level of math i hate math?