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Hexadecimal numbers use base 16 instead of our normal decimal numbers that use base 10.  The "units" go from 0 to 15 instead of 0 to 10.  The numbers beyond 9 are represented by the letters A to F.  That is 10 is represented by A, 11 by B, 12 by C, 13 by D, 14 by E and 15 by F.

The next highest "places" after the "units" represent multiples of 16.  So, for example the hexadecimal number

 2AF4  is 2*16^3 + 10*16^2 + 15*16 + 4 = 10996 (in decimal).  

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  awesume marks

 kind of hard aint it

Welcome to the forum Brycia!

Unfotunately for you, 10-6 is not 15

Could you edit your answer please   :)

There is a pencil pic on the bottom right of your answer screen - click on that :)

Mm,

Someone told me this was a calculator site     

−3(4(2) + (5)) + (2(5) − 3(2)) − 8 Substitute values

−3(13) + (15) − 8 Solve for all the values that are inside the parenthesis

−39 + 15 − 8 Solve the rest

−39 + 15 − 8

−32

$$\left({\mathtt{3}}{\mathtt{\,\small\textbf+\,}}{\mathtt{7}}\right){\mathtt{\,\times\,}}{\mathtt{7}} = {\mathtt{70}}$$

just put them in      

inverse tan is the same as arc tan so use

atan

$$\\if\;log_{10}x=3\;\;then\\\\
x=10^3 = 1000$$

87 - - 5 = 87+5 = 92 degrees

Just do it yourself - you do not need a calc.

You can add up the fraction bits with the web2 calc if you want/need to.

How can there be any solutions?   There is no equal sign :/

$${\mathtt{0.65}} = {\frac{{\mathtt{13}}}{{\mathtt{20}}}}$$

I just entered 0.65 into the calc :)

Is that cross meant to be a times sign or the letter x?

Here we use * as a times sign - it cuts down confusion :)

If it is an x then is it x*4 or x^4?

A rectagular prism has a length a breadth and a height.

It has 6 sides in total.

Work out the area of each side and then add them all together to get the surface area :)

$${{\mathtt{20}}}^{{\mathtt{14}}} = {\mathtt{1\,638\,400\,000\,000\,000\,000}}$$

$$\\98*0.05^{14}=\frac{98}{20^{14}}=\frac{98}{1 638 400 000 000 0000 000}$$

Here is another link

Good one Chris :)

Hallo Ddg4thebest,

also from me congratulations for your high points !! That are 83 % !!

Greetings from radix !

That is an excellent result Dbg CONGRATULATIONS   

See, we all told you that there was nothing wrong with your English !

ok

I've toyed with it but I do not have a clue.    

$$\text{It doesn't really simplify, though you can write it as }2\frac{133}{143}\text{ if that's what you are looking for.}$$