GIVEN EQUATION ⇒ 80 × 16 ÷ 4 + 2 – 8 = ?Sign+–×÷New Sign×+÷– After Interchange ⇒ 80 ÷ 16 – 4 × 2 + 8 = ?⇒ 5 – 8 + 8 = ?⇒ 5 = ?HENCE, “5” is CORRECT answer.