Yes it's important. It's like taking jotting down the ideas you have for a project, you don't want to forget anything, and these things help you keep track of what you want to do.
Answer would be false.
For applying the filter you need to select the data on which you want to apply it so it will allow you to look at only data you select from the filter options.
Answer:
jkdsdjdshj,dfh.jhdfbhjf
Explanation:
bchSDCMHCXZ NHCXHBDSVCHDH,KC NBDBSDMJCBDBFD,JHCDSMNBBNCSCBFDNJCFJKC FMNSDNMSDFCH ĐS,CJDBS,CBSJBV,FJNDBFDSFDVBFĐDVFBVJFDCDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDHCD
Answer:
missing quotation marks around a string literal