6. A survey of 850 families from the U. S. found that 55% planned a summer vacation. Descriptive statistics:
Inference based on the survey:

i use my brain for prombles like this maybe you could try it

step-by-step explanation:

6^2 or 36

step-by-step explanation:

6000n

6×1000n

6×10^3 n

so we need 6n need to be a perfect cube

so n has to be 6^2 so that 6n is 6^3

what i'm saying is if you let n be 6^2 you have 6^3×10^3 or 60^3 which is a perfect cube