I believe the answer to this question is the 3rd one
<span>A Stem and Leaf Plot is a special table where each data value is
split into a "stem" (the first digit or digits) and a "leaf" (usually
the last digit).
</span>Since the key says 4|0= 40 the answer to your question is 12. Twelve cleaners have more than 80 ingredients.
Hope this helps :)
Unbiased. If it was biased then she would only choose people she wanted to answer her survey. It is unbiased because she is asking the first 10 random people who walk into her shop.
Step-by-step explanation:

5 letters ==>

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