[occallExtet]

I got the chance to take my GCSE Maths as I never got it at school (25 years late) and the first revision question I come to is below. The 2 after R is a little 2 at the top of the R but don't know how to get this on the keyboard and don't know what it means

The formula below gives the capacity of a tanker in Litres.

C = 3R2L X 1000

Where C = Capacity, R = 1 & L = 4

What is the capacity

I have no idea what the little 2 means next to the R, I took it as 3 X R X 2 X L X 1000 or 3 X 1 X 2 X 4 X 1000 which would make 24000 but this is wrong.

Any help for a dunce

[Wrencytet]

I got the chance to take my GCSE Maths as I never got it at school (25 years late) and the first revision question I come to is below. The 2 after R is a little 2 at the top of the R but don't know how to get this on the keyboard and don't know what it means

The formula below gives the capacity of a tanker in Litres.

C = 3R2L X 1000

Where C = Capacity, R = 1 & L = 4

What is the capacity

I have no idea what the little 2 means next to the R, I took it as 3 X R X 2 X L X 1000 or 3 X 1 X 2 X 4 X 1000 which would make 24000 but this is wrong.

Any help for a dunce

I believe you are talking about a superscript.

In Math, a superscript translates to "to the power of". You can emulate a superscript chartacter in plain text with a carat (^).

So, in your example: 3*L*R^2 is identical and easier to comprehend. As a matter of fact, that character is the mathematical operator in many programming languages, including the language used in MS Excel. (HINT)

You can phonetically read the equation I wrote above as: "Three times L times R squared." or "Three times L times R to the power of 2." or "Three times L times R to the second power." All three are equivalent.

If you put "3*4*1^2" into almost ANY mathematical program, you will get an answer. Hell, you can even use Google!!!

[GDRussiayear]

if the little 2 is raised up then that is a "squared" function

which is written as R^2 in computer form

basically that just means R times itself i.e. R x R

[CULTDIAMONDS]

C = 3R²L X 1000

Fixed

[occallExtet]

Thanks people, maths is something I just don't get, never have done, specially fractions or using letters instead of numbers, why not just put the number, if R=1 and L=4 just put a 1 and a 4

Hopefully this might help a bit as I got the exam tomorrow I think, wish me luck

Dunce out

[Virosponna]

Usually you have letters say if its for temperature, the temperature can change but the equation can still be true.