There are 1.505535375e+24 atoms in 2.50 moles of iron.
Answer:
I believe the second is wrong
Answer:
12a³+2a²+23a+18
Step-by-step explanation:
(3a+2)(4a²-2a+9)=
12a³-6a²+27a+8a²-4a+18=
12a³+2a²+23a+18
If you need more explanation, reply to this answer.
No its smaller............................
