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Simplify fully [(256x^20)/(y^8)]^ (-1/4).

First, flip the whole fraction so it becomes the (y^8/256x^20)^0.25. This is because there is a negative power, which flips the whole fraction. Secondly, you would solve each element of the fraction individu...
MW
Answered by Max W. • Maths tutor
10370 Views

What is the best way to write an introduction for an essay?

An introduction is arguably the most important part of an essay, as it lays the foundation for the rest of the paragraphs to come. As a result, introductions should be clear and concise. The first sentence o...
AS
4158 Views

Why are group 1 elements more reactive as you go down the group?

Group 1 elements display similar properties as they all only have a single electron on their outer shell. They make up the first column of the periodic table and are ordered in ascending weight from top to b...
EH
Answered by Emma H. • Chemistry tutor
3889 Views

Work out the value of (16/81)^(3/4)

Firstly it is easier to think of the power (3/4) as two separate parts. The first part being 3/1 (which is the same as cubing a number) and the second part being 1/4 (which is the same as the quartic root). ...
SS
Answered by Stefano S. • Maths tutor
15220 Views

Compare the costs and benefits of hard versus softs methods of protection from coastal erosion.

Hard methods for protection from coastal erosion such as sea walls and groynes can be fast to implement and effective as an immediate measure to protect form coastal erosion. Hard measures maybe most effecti...
ZB
Answered by Zoe B. • Geography tutor
2267 Views