Okay, so you do

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Because the difference will be how much bales of hay Sam stored
and the difference is

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Answer:
yes
Step-by-step explanation:
The variable is in the exponent, so this is considered to be an exponential expression. (yes)
Answer:
It should be 4.29 if I’m not mistaken.
Step-by-step explanation:
You can find the unit price by dividing 30 by 7.