Wrong,
You added when you were supposed to divide.
24/30 = 0.8
Answer:
D) 5 4/9
Step-by-step explanation:

The best answer out of the ones provided would be c, confidence interval
<span>0.316 in expanded form is= 0.3 + 0.01 + 0.006. </span>
Assuming that Jupiter and Earth are similar
linear sale factor=(diameter of Jupiter) /(diameter of earth)=11
thus:
diameter of earth=(diameter of Jupiter)/(linear scale factor)
=88000/11
=8000 miles
The diameter of earth is 8000 miles