A clock chimes 4 times each hour. whixh expression can be used to find the number of times the clock chimes in a week

Parks is wearing several rubber bracelets one third of the bracelets are tie-dye 1/6 are blue and 1/3 of the remainder are camouflage if parks wears 2 camouflage bracelets how many bracelets does he have on

Any is very appreciated! (picture is provided below)not sure how to do this at all won't lie

Which expression do you get when you eliminate the negative exponents of 4a^2 b^216a^-3 b