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What is a product of prime factors?

A product of prime factors is a set of prime numbers that multiply to make the requested number. Essentially, when a question asks you to express a number as a 'product of primes', it wants you to break the ...
DK
Answered by Daniel K. • Maths tutor
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Why did Hughes do the policeman doll study?

Hughes believed that the original 3 mountains task used by Piaget was too difficult for children to understand - it involved them understanding what a doll saw and taking notes of different details and overa...
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Answered by Daniel K. • Psychology tutor
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Describe, in three steps, how you would synthesise phenylethylamine (C6H5CH2CH2NH2) from methylbenzene, giving reagents and conditions for each step. For each step, state the type of reaction that occurs.

Methylbenzene (C 6 H 5 CH 3 ) can be reacted with chlorine in the presence of UV light. The type of reaction is free radical substitution, and this produces phenylchloromethane (C 6 H 5 CH 2 Cl). The next st...
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Answered by James H. • Chemistry tutor
9332 Views

What is the multiplication rule of indices?

The multiplication rule is that when multiplying terms with indices, you add the indices up. In an example, if we had to simplify 3y 2 x 4y 3 then we would first multiply the coefficients together (the numbe...
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Answered by Daniel K. • Maths tutor
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How do I find a fraction of a number?

An easy way to find a fraction of a number is to divide by the denominator (the bottom of the fraction) and multiply by the numerator (the top of the fraction). For example, to find 3/5 of 60 we would first ...
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Answered by Daniel K. • Maths tutor
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