Step-by-step explanation:
i couldnt understand how the problem was put together, so i found the square root of 13.7 and then did the addition problem that fallowed.
to check to see if a square root answer is correct, just take the answer and put it to the power of 2 and if you return to the original number, the answer is correct
this was done using windows default calculator in scientific mode on a windows 10 device
