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-2, -1, 0 M1 for 2 correct values, M2 for all 3 correct values

Whenever you have a negative power always take the reciprocal or flip the base value i.e 125. So now it is 1/125 raised to the power of 2/3. By flipping it over the fractional index is no longer negative....

It is a type of bonding where there is an electrostatic attraction between negative charged ions and positive charged ions. In this way atoms chemically combine, to produce a compound.

First we should quickly remind ourselves of the equation for density:density= mass/ volumeTo calculate the density we need a method of measuring the mass of each object and another method for measuring th...

Donepezil is an inhibitor of the enzyme acetylcholinesterase.
Acetylcholine is a neurotransmitter that diffuses across synapses, b...