Each signer of a petition shall sign his or her name in ink or indelible pencil, and shall place on the petition paper after his or her name and place of residence by street and number. The signatures to any such petition paper need not all be appended to one (1) paper but to each such paper shall be attached an affidavit by the circulator thereof stating the number of signers to such part of the petition, and that each signature appended to the paper is the genuine signature of the person whose name it purports to be and was made in the presence of the affiant.