Answer:
Let 'a' be the first term, 'r' be the common ratio and 'n' be the number of terms
Series = 2+6+18.......= 2+2•3¹+ 2•3².......= 728
Now,

So,

Therefore, number of terms is 6
The nutritionist should collect data from all diabetic patients to obtain accurate results.
<h3>What is the ideal population for this study?</h3>
This study aims at analyzing the food choices of diabetic patients. Because of this, the population studied should be diabetic patients including different types such as gestational, type I and II.
Moreover, because this affects to all diabetic patients, they all should be included even if they do not usually eat foods with arficial sweeteners.
Based on this, the best population is all diabetic patients.
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Answer:
Here's the simplest example possible: let's say x + y = 3 and x - y = 1. Solve the second equation for x by adding y to both sides: (x - y) + y = 1 + y. So x = 1 + y. Take that value of x, and substitute it into the first equation given above (x + y = 3).