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The probability is the likelihood of an event occurring.In this case, 1 pen is being taken out of a bag of; 7 blue pens, 4 green pens and 6 red pens. This means 1 out of 17 (7+4+6) pens will be taken.We a...

Osmosis is a special case of diffusion, which you can imagine as a spreading of particles across a room for example when you spray some deodorant - the strongest smell is closest to the area that has just...

First, flip the whole fraction so it becomes the (y^8/256x^20)^0.25. This is because there is a negative power, which flips the whole fraction. Secondly, you would solve each element of the fraction indiv...

An introduction is arguably the most important part of an essay, as it lays the foundation for the rest of the paragraphs to come. As a result, introductions should be clear and concise. The first sentenc...

Group 1 elements display similar properties as they all only have a single electron on their outer shell. They make up the first column of the periodic table and are ordered in ascending weight from top ...