Please help im really confused with this question <3

Select the correct answer from each drop-down menu. rewrite the formula to find voltage. the formula for electrical power (p, in watts) is where v is the voltage in volts and r is the resistance in ohms. for a particular brand of water heater, r is 32 ohms and p is 0.5 watts. the formula to find v is , and the voltage at which the heater operates is volts.

Find the value. a. 0.003 b. 0.03 c. 0.3 d. 3

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much