Answer:
Step-by-step explanation:
volume of small cuboid=5×2×4=40 cm³
volume of one small cube=(1/2)³=1/8
so number of cubes=40÷1/8=40×8=320
now width of bigger cuboid=9-5=4 cm
volume of bigger cuboid=4×2×12=96
number of small cubes in this cuboid=96÷1/8=96×8=768
total cubes=768+320=1088
