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What is (2/3)^(-1/3)?

We can split this power into two bits - the negative sign and the fraction. Let's deal with the negative sign first and forget about the fraction. So a negative always means '1 over', or the fancy word for t...
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Answered by Oliver R. Maths tutor
4754 Views

Why are ionic and covalent bonding different?

So, when two molecules are bonding to each other they are always trying to achieve the same state, which is having a full outer shell of electrons. Ionic and Covalent bonding are two different ways of gettin...
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Answered by Amy M. Chemistry tutor
3851 Views

How do I effectively incorporate context into my essay?

Context is a key part of any essay. You not only have to consider the historical context of the author, of when the story was set but also the literary context and the context of production and reception. De...
JK
16767 Views

What are the different ways in which substances can move across cell membranes?

Passive transport Diffusion = occurs in gases or aqueous solutions whereby particles are free to move and spread from a higher concentration to a lower concentration. An example is air freshener being spraye...
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Answered by Alisha R. Biology tutor
7683 Views

How can I revise for the A Level Spanish oral exam?

Make lists of useful vocabulary for the main topics covered throughout the course, as these will come in handy during the exam. Try and go over these and test yourself in the days before the exam. A practica...
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Answered by Georgina H. Spanish tutor
11414 Views