Yes it is (10x-y)^2 is the answer of it
For an investment compounded continuously, the rule of 69 gives a better approximation than the rule of 72 (for normal compound interests).
What table.
If it is a normal table or a wooden table. The marble ones are cool but I prefer the wood. btw this is just filler text so I could ask if you would link the table.
The answer is 9.65x10^14 because in order for the decimal point to be between 9 and 6 you need to move 14 decimal places back
