Plzz help me with this question Write a program to input a number find the sum of digits and the number of digits. Display the output

sample input - 7359
sample digits - 24
number of digits - 4

Which of the following tasks is an audio technician most likely to perform while working on a nature documentary? (select all that apply). eliminating potentially distracting background noise adding sound effects making sure the lighting is adequate for a particular scene changing the narration to better match the mood of the documentary