That would still be correct. Either answer, with or without the Hydrogens would be accepted.

For the study with us series, we do not have an answer key because the answers are shown in the video. You'll find timestamps to each question/answer in the description of this video. The purpose of this was so that students would watch the full video because there are several different tips/tricks Melissa shows throughout the video and we don't want you to miss that. 

kay Luffman No worries! Happy to hear it makes sense :) 

Sometimes you will hear these terms used interchangeably, this depends on your professor. But yes stating this is a ketal is correct.  

Anna Shaw There are more practice problems and a complex splitting video under this category: NMR