Zachary adds 26.45 g to 2.55 g. how many significant figures should his answer have? two three four five

It should have four significant figures

hi i’m going crazy about going tomorrow and i’ll tell you what i’m doing and i wanna is a way ya

the main thing i would use is bricks because if there is a hurricane, there is a great possibility for the house to still stand. and i would also use plexiglass windows instead of regular windows because plexiglass isn't prone to breaking.