What is a perfect square root of 3x^4

i would need to see the dot plot : )

if you are saying purchasing 3 social media ads and one newspaper ad counts as one purchase then there are:

6 purchases

if you are asking how many of each then:

18 social media ads

6 newspaper ads

i think it would be 42cm

it would take 5 hours i think idk i'm not that good at math.can you me with my questions i need asap.