520 CD's because of the 9 months and we add 30 time 9 we erase the 0 and multiply the 3 with the 9 it will be 27 right we add the zero because the originla number is 30
Answer:
A. 2
Step-by-step explanation:
It is right but what's the full question
Answer:
h=1.29 c=0.79
Step-by-step explanation: