Can someone check if this is right please And Someone can help me on question 14

In science class richard learns that a substance has a boiling point of 230 fahrenheit his teacher ask him to convert this temperature to degrees celsius what is the boiling point of his substance in degrees celsius

What prefix multiplier is appropriate for reporting a measurement of 5.57 ×10−5 m?

In a ball-and-stick molecular model, what do the sticks represent?