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EXPONENT:SAME POWER 3^7*2^7=6^7
Thoughts 지금 공부하루 6시간 하는것은 앞으로 professional study and work하기위한 기본이고 minimal work이다. 이 정도는 몸에 베여있어야 앞으로 하고자 하는일을 꿈이라도 꿀수있다. 그러니 지금은 꼭 이정도는 지키자.
SC, Comparision Look for parallel form Look for logical similarity
3 exponent principles: 1.for opportunities to factor and multiply to put yourself in a position to use your multiplication-heavy exponent expertise. 2.Most exponent rules require you to have common bases, so break down bases into prime factors so that you have common bases with which to work. 3.Exponents are very pattern-driven, so when large numbers are present you can often establish a rule using small numbers and then extrapolate it to the larger ones.
RC APPROACH 1 ~ previewing RC questions and 'skimming' passages only for Short Passages.~ SOME kind of notes ~with a Long Passage, especially~a scientific journal or similar. What details you actually consider worth noting down depends on you as an individual and is something that can be honed with further practice.
dole out Good managers do more than just dole out assignments
based on In written language, "based on" has to modify a NOUN
RC APPROACH 5 I have to agree with another beatthegmatter who mentions about using Kaplan's Verbal Workbook. I think the strategies mentioned in the book are quite simple and the more you practice the better you get at it. Even if you are using paper based practice questions its alright. The main aim is to quickly get the gist of the passage, the medium should not pose a problem (generally, though I know there are people who prefer to choose practicing questions on the computer than paper-based ones). So the best way to attack RC questions is to practice, practice, practice, practice and practice even more. Even when you are reading the newspaper or browsing a website like CNN, just think that the passage on your screen is a GMAT RC question and practice. It helps!
RC APPROACH 4 One strategy might work for one person but might completely fail for the second one. I initially started doing RC by taking regular notes of "gist" of paragraph.. but felt that taking these notes actually 1. caused delay in reading complete paragraph 2. disrupted the thought process Nowadays, I try to keep RC as simple as possible..I read the paragraph and try to understand it(sounds simple enough??).. If some section is awkward and is taking too much of time to "understand", I pass over it.. The idea in RC q's is not to remember each and every point the paragraph tries to explain ... rather the idea is to know where the information is present in a set of 3-4 paragraphs along with the mood and the main idea of the complete set.. Again, we need not cram this information since it is always present with us to find answers from.. On the contrary, if you are taking too deep interest in understanding paragraph, then 1. u end up spending more time in reading 2. u might also do some mistakes if you answer the questions using based on ur "understanding" rather than what is in the paragraph... Since a mistake is costly affair, it is better to get each answer from paragraph!!! In other words, if information is in front of you, then why not use it?
RC APPROACH 2 Bottomline: RC will take time and its better that we respect it with extra time. Try to do SC and CR qns in lesser time. 1. Read the passage carefully once. Now you know what parts of passage speak about what. (5 mins) 2. Consider we have 6 qns on the passage: Generally 1 would be main idea (need not look back at passage for this) 1 would be application (this takes longest as answer is nowhere in passage) Others are mixture of supporting ideas, inferences etc. 3. When answering qns I look back at parts passage atleast 2-3 times while answering a qn. At the end it takes me about 12 - 13 mins to answer a 6 qns passage. DOnt get discouraged if you take longer in RC. Spead up other sections
How To Turn Algebra Into Arithmetic(plug in numbers) 1.Recognize when you can turn algebra into arithmetic(Plug in numbers) *in the answer choices, indicated is the following -A variable expressions eg. x+3 or a variable equation eg. x+y = 3, in the answer -Fractions or percentages : I make up either variables or numbers. *if the problem keeps talking about some number but never gives you a real number for it, and the answers are in the form of a fraction or percentage of the original, 2.Deciding whether to turn algebra into arithmetic After we determine that we can use this method, . The very general rule is that you use algebra on problems that are easier (for you) and you use arithmetic on problems that are harder (for you). The particular line, though, is different for every student. So how do you decide? Which one to use?. -practice practice while studying and trying both ways. 3.Turning algebra into arithmetic -Picking Numbers: By practicing, will know which numbers are not going to be used twice. DON&#039;T *Don&#039;t pick zero. * Don&#039;t pick one. *Don&#039;t pick a number that already shows up in the problem. *Don&#039;t pick a number that would result in a calculation that gives you that same number again. For example, a percentage problem asks you to reduce the price of a TV set by a certain percentage and then do something with the new price relative to the amount saved off of the original price. You probably don&#039;t want to discount that TV set by 50%, because then both the amount saved and the new price are the same number! PICK *Pick small integers. *Slightly different characteristics if need to pick more than one- an even and an odd, for instance. *Pick something that will still give you an integer after you divide. When you&#039;re studying, go back over what numbers really worked well or really didn&#039;t. -Doing the Arithmetic Wherever the problem says x, you now use 2, and wherever the problem say y, you now use 3. When you&#039;re done, you&#039;ve got a numerical answer
What do inference questions look like? Before diving into an example, let's make sure you know how to spot an inference question. Most inference questions are characterized by the words suggest, infer, or imply. They might look something like this: What might be inferred by the final paragraph? The author implies that the frontiersmen quickly packed because... By revealing the results of the scientific study, the author suggests...
For a certain exam, was the standard deviation of the scores for students U, V, W, X, Y and Z less than the standard deviation of the scores for students A, B and C? (1) The standard deviation of the scores of students U, V, and W was less than the stand When the statements are considered together, we know that the sets U, V and W and X, Y and Z both have a standard deviation that is less than the set of A, B and C. However, we do not know the relationship between the two former sets. It is possible that U, V, W, X, Y and Z are all closer together than A, B and C are, but it is also possible that the sets U, V and W and X, Y and Z are so far apart from each other that the overall set ends up having a larger standard deviation than the set A, B and C. Therefore, together the statements are still insufficient; answer choice (E) or (5)—not enough information here is the answer to this question. we did not have to use our scratch paper necessarily or compute any actual mathematical calculations...more focused on your conceptual understanding, and instead of becoming overwhelmed when you see words like "standard deviation", you should stay calm, read carefully, and remind yourself of the concepts you do know as you analyze the question. But I used numbers to varify the answer. I got it right. E.
GMAT SC Case Study: Idiom Errors for Non-Native English Speakers Dont worry about the idiom that I dont know, focus on the gramma and eliminate all the choices that are gramatically wrong. And then pick the one that sounds best and natural.
MATH:SUMMATION #/2x(F+L)