I think for your distilled water of 1 it would look like 27.8 +/- 5 because you can go 5 above or below your average and 2 would be 27.8 +/- 10 because you can go 2 times below or above your average?
Some strengths are,
you get faster at answering questions, it’s easier to understand the problems, you have more strategy’s, you understand the ration and percent. you can use graphs and number lines much easier.
i’m doing mental math right now and this is what we were going over,
i hope it helps
Such traits listed may help them reproduce. For example, female peacocks tend to breed with males with certain types of tail feathers. While the feather themselves don’t guarantee survival, they certainly increase the chances of their genes being passed down. This can also be seen in humans. Certain characteristics in humans can be considered attractive. While these traits don’t necessarily increase the chances of survival, they do increase the chances of finding a mate and eventually having kids. This results in the dominant traits getting passed down.