Question: Which line converts the binaryStr, whish contain only 0s and 1s, to an integer representing its decimal value?

1. `val myInt = toInt(binaryStr)`
2. `val myInt = binaryStr.toInt("0b")`
3. `val myInt = binaryStr.toInt()`
4. `val myInt = binaryStr.toInt(2)`

Answer: The correct answer of the above question is Option D:`val myInt = binaryStr.toInt(2)`