Please someone can check out if my answers are correct and help me with the #4 and #4. Thanks

Question

anonymous · Answer

attachment

ccswims · Answer

1. you got correct

haseeb96 · Answer

answers of questions # 1,2 and 3 are correct now i m going to show u how to solve question #4

haseeb96 · Answer

#4 :-   8 x { [ (7+4) x 2 ] - [ (11-7) x 4 ] }

haseeb96 · Answer

now first solve the terms in small brackets 
 solution 

8 x { [ 13 x 2 ] - [ 4 x 4] } 
8 x { 26 -16 }
8 x 10 
80 
this is your answer

haseeb96 · Answer

sorry for giving u direct answer i know it is against the code of conduct of OS 
but i m in hurry

anonymous · Answer

but # 4 and # 5 there are 3 different parenthesis { [ (.

haseeb96 · Answer

i know that according to my method okay 
here is the another answer  for question #5

anonymous · Answer

Thanks Hasseb96 for your help