Answer:
25 necklaces
Step-by-step explanation:
each necklace brings $16 profit (20-4=16)
400÷ 16= 25
so, at 25 necklaces, there will be enough profit to break even after paying for the advertising.
5,000
You would do 5 x 1= 5 and then add the three zeros
Answer:
<h2>A . 6</h2>
Step-by-step explanation:

If product means to multiply than
5000*8= 40000
Answer: There is one more zero in the product.