Use mental calculation. Do working in your head
I think the answer would be 0.6
Answer:
9043.2 cm³
Step-by-step explanation:
V = Ab×h
= π·r²×h
= 3.14×12²×20
= 62.8×144
= 9043.2 cm³
Answer:

Step-by-step explanation:

All we can do here is combine like terms (add those that have the same the same exponent)

Good luck!