Brackets โ Orders โ Division โ Multiplication โ Addition โ Subtraction
For this problem:
Step 1: Calculate inside brackets: (2.4 ร 1.5) = 3.6 and (3.6 รท 0.9) = 4
Step 2: Work left to right: 10.8 โ 3.6 + 4 = 11.2