Answer:
72 cm^3
Step-by-step explanation:
find the volume of the big block and the volumem of the smaller block and subtract it
(8 x 2 x 5) - (2 x 2 x2)
= 80 cm^3 - 8 cm^3
= 72cm^3
4 * (-2)^2 - (6+(-9))
= 4 * 4 - (-3)
= 16 - (-3)
= 16 + 3
= 19
13.92
You can refer to the photo I attached
