Answer:
A crest is the highest point of a wave.
A trough is the lowest point of a wave.
Infrasound is sound below the limit that humans can hear, below 20 Hz.
Ultrasound is sound above the limit that humans can hear, above 20,000 Hz.
Integers are whole numbers so 2
Answer:
23/2000
Step-by-step explanation:
1.15%=0.0115=115/10000
simplified
23/2000
I think 6 4/5 I’m not sure
I attached a picture with equation because it is easier than attempting to type it out.