The range of audible frequencies varries from 20Hz to 20kHz. If the speed of sound is 340m/s , what is the corresponding rage of wavelength?

Zeros that follow non-zeros numbers and are also to the right of a decimal point are significant

1.what is where an object is located 2. what is how fast an objects speed is changing 3. what is how fast an object is moving

**urgent** roberto plans to use two transformers to reduce a voltage of 120 v to 4 v. he uses a transformer that has 300 coils in the primary winding and 50 coils in the secondary winding. he has four other transformers, as listed in the table. which transformer should roberto use to have an ending voltage of 4 v? a- w b-xc- yd- z