CTRL STUDENT osteels RM UNIVER Part C - Sequences and Series Q3: The 1st, 10th and last terms of an arithmetic progression are 9, 40.5 and 425.5 respectively. Find a) the number of terms b) the sum of all terms Answer: Name type of software used for validation: a 31.5 383 TI-nspire cx CASosteel STUDENT UNI Q4: The first term of a geometric progression is 4 and 6th term is 128. Determine the 10th and 13th terms. Answer: Name type of software used for validation