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Convert 01010001 from binary to decimal

Each digit in binary has a different value, very much the same as the way the three in 32 has a different value than the three in 321. Whereas this goes from 30 to 300, and you multiply by 10 every time, in ...
JL
Answered by Jay L. Computing tutor
19340 Views

What is the best way to learn new vocabulary?

Creating map maps from different subjects and been tested by parents or friends. Also, listening to German music/TV is a really good way of learning new vocabulary and listening to German.
RH
Answered by Ryan H. German tutor
2554 Views

Find dy/dx when y = 2ln(2e-x)

Answering this question requires knowledge of e and ln. If we look at the question we can see 2 is being multiplied by the ln, so we might want to use the product rule. Also, we can see that the ln has a big...
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Answered by Jay L. Maths tutor
10219 Views

Expand and simplify (x+12)(x-3)

In order to solve this question, I am going to use the FOIL (first, outer, inner, last) method of expanding brackets. First we need to multiply the two first elements in each bracket together - in this case ...
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Answered by Jay L. Maths tutor
12522 Views

How to achieve an A* or A grade in Sociology?

With Sociology, applying the main theories to the question is always something that moves you up the grading ladder. What I mean by the main theories is Marxism, Functionalism, Feminism, Neo-Marxism and Post...
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Answered by Rachael L. Sociology tutor
7462 Views