While converting 512 into an improper fraction, Ricky performed the following steps: Step 1:5×2=10 Step 2:10+1=11 Step 13:115 In which step did he go wrong?
Ted remembered that he had assignments for previous day’s class. He took out his notes and saw the following question :-
Step 1: Find 9×(−5)
Step 2: Find (−11)×(−7)
Step 3: Find (−9)×(−3)×(−2)×10
Step 4: Add the values obtained in steps 1,2 and 3.
Find the result obtained in step 4.