I need help with this question. By the way it says (-6) when it cuts off on the far right

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?

Plz.yesterday, the snow was 2 feet deep in front of archie’s house. today, the snow depth dropped to 1.6 feet because the day is so warm. what is the percent change in the depth of the snow?

Ineed no it anyone can see this