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Write 0.319319... as a fraction in its lowest terms

x = 0.319319... As there are three numbers that are recurring, we multiply x by 1000. 1000x = 319.319319... Then we can remove the recurring part by subtracting x from 1000x. 999x = 319 x = 319/999. We note ...
HL
Answered by Harry L. • Maths tutor
4322 Views

What are the differences between covalent bond and an ionic bond? And can you give an example of each?

A covalent bond is formed when two atoms each share one electron, an example of a molecule that has covalent bonding is methane or CH 4 . An ionic bond is where one (or more) atom donates an electron(s) to a...
RS
Answered by Rhona S. • Chemistry tutor
6176 Views

What is the structure and function of a nerve cell?

Nerve cells serve an important function in our bodies to relay information as electrical signals from the periphery to the central nervous system. Nerve cells are also called 'neurons' and can be as long as ...
AH
Answered by Amelia H. • Biology tutor
79904 Views

How do I improve my exam technique in a history exam?

Because your brain is overloaded with dates, facts and figures, it can be hard to know how to deploy them in the most concise way to answer the question on the paper. It is best to enter an exam with an essa...
YI
Answered by Yasmin I. • History tutor
4056 Views

Can you explain the difference between duerfen and muessen in the positive and negative?

In order to understand which of these two is most appropriate for what you are trying to say, you should think about their literal translations. Duerfen is "to be allowed to", expressing permission...
EE
Answered by Eleanor E. • German tutor
6626 Views