Answer:
are you leaving.....please reply
Pitch changes are heard when the doppler effect occurs should be the answer. I'm pretty sure.
Answer:
24
Step-by-step explanation:
To round to the nearest ten million, check the millions digit after it:
2 , 0 2 4
The millions digit is 4, so you will round down to 0. All digits after this number will be converted to 0.
Rounded to the nearest ten million, the number becomes 2,020,000,000.
