
Expression: 1Β² + 3 = 4
Calculation: 1Β² = 1; 1 + 3 = 4
Result: 4 (equals 4)
Therefore, by using exponentiation, we can insert the "^" and "+" operators to make the expression 1Β² + 3 = 4 valid

Expression: 1Β² + 3 = 4
Calculation: 1Β² = 1; 1 + 3 = 4
Result: 4 (equals 4)
Therefore, by using exponentiation, we can insert the "^" and "+" operators to make the expression 1Β² + 3 = 4 valid