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There are 3 main types of bonding: covalent, ionic and metallic. Covalent bonding occurs when there are a shared pair of electrons between two atoms. Ionic bonding is the electrostatic attraction between ...

The efficiency is calculated using the equation:
((Total useful output energy)/(Total input energy)) *100
We are essentially trying to calculate what percentage of the input energy is converted...

The question asks you to calculate 27^-3/2.
Due to the presence of the negative sign, 27^-3/2 is the same as 1/27^3/2.
The fractional power is a little more tricky...

In order to answer this question, we will follow the FOIL procedure. First, Outter, Inner, Last. Using the 'F' we will multiply the first 2 numbers of each bracket. In most cases, these 2 variables will h...

First of all, we must multiply each equation by a suitable number in order to get the same leading coefficient. In simple terms, we must make the coefficient of the x or the y in...