Answer:
12
Step-by-step explanation:
U will fill in the same as and then multiply that answer and you get it
The asnwer would be 768 cm^3<span />
2.1+18.9
The answer is going to be 21 because 9+1=10, you then carry the 1 for 8 so it’s going to be 9+2 which equals to 11 now you carry the 1 to the 1 so it’ll be 2. Therefore it’s 21.0 or just cancel out the 0 and just leave it as 21.