Can you please explain how to do the 3 questions (they're pretty short) I have linked in the photos ? Ill give a good rating if it is done well, thank you !!!

Previous Problem Problem List Next Problem (1 point) Approximate the value of the series to within an error of at most 10-3 (-1) n+1 M: (n + 3)(n+9) n= According to Equation (2): ISN - SISaN+ 1 what is the smallest value of / that approximates S' to within an error of at most 10-3 ? N = S ~Entered Answer Preview 11 11 The answer above is NOT correct. (1 point) How many terms of the series do we need to add in order to find the sum to the indicated accuracy? (Your answer must be the smallest possible integer.) E(-1) 2-1. OC |error|