1. Prefix next425^21. Prefix nextMultiply prefix by next number.142 x 43 = 18062append 253answer 180625Multiply prefix by next number.Multiply prefix by next number.
2. Append 25425^22. Append 25The ending is always 25.142 x 43 = 18062append 253answer 180625The ending is always 25.The ending is always 25.