Answer:
The correct answer should be the first option.
Step-by-step explanation:
3000cm because if you look at the variables there is no more letter m's than anything so if you cancel out and see what is equal to 30 then you get 3000cm!!!!!
sorry i had the wrong answer...
B because it is multiplication while the question is asking for addition. :)
Answer:
A,C,&D
Step-by-step explanation:
-3/4×1/2=-3/8---------A
1/4×-2/5=- -2/20------------C
-1/2×4/5= -4/10-------------D