find the volume of each rictangular prism

Answer:
1. 3,600
2. 1,768
3. 350
4. 1, 680
5. 378
Expalnation:
1. V=12x15x20
2. V=8x17x13
3. V=7x5x10
4. V=16x15x7
5. V=6x7x9
Thanks