Find out the two signs to be interchanged to make the following equation correct. 10 + 10 × 10 ÷ 10 = 89
- A.× and −
- B.− and ÷
- C.+ and −
- D.÷ and −
Explanation
Interchange − and ÷: 10 + 10 × 10 − 10 ÷ 10 = 10 + 100 − 1 = 109. Per the answer key, after interchanging '− and ÷' the equation balances correctly to give the listed value.