Answer:
7
Step-by-step explanation:
Firstly, let us divide the two numbers as so-
[tex]645/87=7.41379310345\\[/tex]
To round a number to the nearest integer, look at the decimal places.
Here we have .41 - The 4 is less than 5, so it cannot round the ones place to 8.
So our answer here is 7.