Answer:
In the picture.
Step-by-step explanation:
Note : From 1 to 12 it's the same idea but without variables (very easy) so , just do the same idea.
I solved the problems contained variables
I hope that it's a clear explanation.
Answer:
1,000,000,000 + 25,000,000 + 4,000 + 32
Step-by-step explanation:
Answer:
225 x a^4
Step-by-step explanation: