I hope this helps, if any doubt leave a comment
1.981: One and nine hundred eighty-one thousandths
I hope this helps you
8m+7m+4n-2n
15m+2n
Rectangle Formula: a = lw (Area = Length x Width)
Trapezium: A= a+b/2h (Area = Area + Base / 2 x h)
I hope this helps. :)