TRUE OR FALSE. Write the word true if the statement is correct and false if the statement is wrong. 1. Arithmetic sequence is a sequence in which each term after the first is obtained by multiplying the preceding term by constant number. _2. In the geometric sequence, if r=1 then an = a1. 3. Any number in a sequence is called term. 4. In a geometric sequence, the term after the first is obtained by multiplying the preceding term by a constant number called common difference. 5. In a geometric sequence, if the terms are in decreasing order, the common ratio is a fraction.​