There are 1.505535375e+24 atoms in 2.50 moles of iron.
Answer:

Step-by-step explanation:
k = 3pw
Step 1: switch sides.
3pw = k
Step 2: Since you want w alone, and w is being multiplied by 3p, divide both sides by 3p.

Answer:
B
Step-by-step explanation:
Answer:
$45.60
Step-by-step explanation:
do .008 times 5700