Alan

final velocity = intial velocity + acceleration*time, so

final velocity = 5 + 10*3 = 35 m/s

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13 multiplied by 1/2 is 6.5.

13 divided by 1/2 is the same as 13 multiplied by the inverse of 1/2, namely 2; so 13 divided by 1/2 is 13*2 = 26.  In other words it takes 26 halves to make 13.

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On the calculator here you can enter log(number, base) 

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You need to be more specific.  Is it the shape/size/...?  What dimensions do you know? etc.

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@Dukemort

This just illustrates the fact that computers generally don't store floating point numbers exactly.  The result of the first division is only approximately 3.14159...etc.  (Here it is, correct to 40 significant figures: 3.141597013388439272057065364416526894688, but even this is an approximation). Hence when this value is multiplied by the original divisor, it doesn't reproduce 360 exactly, though it's pretty close!

@ TitaniumRome

The commutative property is when a*b = b*a  for multiplication; or a + b = b + a for addition.

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You probably mean the following;

$$\frac{2^5}{8}\rightarrow\frac{2^5}{2^3}\rightarrow2^{5-3}\rightarrow2^2$$

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Perhaps I've gone wrong somewhere or misinterpreted part of the question!

Edit:  Of course, I made a numerical mistake towards the end.  I should have had 13b/12 = 764 (giving b = 705.231), not 13b/4 = 764.  Never-the-less, this still doesn't result in integer numbers of balloons!

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Depends how it is used.  It could just be a separator; it could be part of an absolute value sign ...

Can you give an example of where you have seen it used?

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In general  (x^a)^b = x^a*b so [(H/J)⁹]¹⁰ = (H/J)⁹⁰

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