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Tutor profile: Natasha H.

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Natasha H.
Graduate Student with Bachelors Degree in Biology/Pre-Med
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Questions

Subject: Writing

TutorMe
Question:

Which is a grammatically correct sentence? 1.) Whose coat is this? 2.) Who's coat is this?

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Natasha H.
Answer:

In this scenario, Sentence 1 is correct. The word "whose" implies possession of an object, meaning something belongs to the subject of the sentence. In contrast, "who's" is a contraction of who is. To test if this word is correct, you could rewrite the sentence as "Who is coat is this?" which would not sound correct. Thus, the first form of "whose" is correct.

Subject: Basic Math

TutorMe
Question:

How would you solve 3+8(3x4^3)-1?

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Natasha H.
Answer:

In these situations, it is important to follow the PEMDAS rules. So firstly, solve what is in the parentheses. Inside the parentheses, there is an exponent. So.. 4^3 = 64, then move to the rest of the parentheses. 3 x 64 = 192, next since the 8 is right next to the parenthesis, you must multiply what is in the parenthesis by 8. So... 192 x 8 = 1536, next you must add and subtract in order from left to right. 3 + 1536 - 1 = 1538 which is your final answer.

Subject: Biology

TutorMe
Question:

What are some of the functions of the cell wall?

Inactive
Natasha H.
Answer:

The cell wall has many functions for the cell. These may include maintaining shape, protection of the organelles, and prevents cells from bursting when exposed to hypertonic environments (or environments with more solute than water).

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