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Pre-Calculus Help Pleaseeee? What is the next number in this sequence? 1,1,2,4,5,25? The Ka of a monoprotic weak acid is 4.53 × 10-3. What is the percent ionization of a 0.163 M solution of this acid? Which lunar phase would be observed from the Earth, if the moon were at a 90° angle with the earth and sun? Please demonstrate how to solve this problem step by step using PEMDAS
3-5*(-1)/(1-3*(-1))
Thank you.?