This expression is correct. It shows the price John pays for the jeans on the left side of the + symbol (30n), and the amount of tax he has to pay on the right side of the symbol (0.08(30n)).
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Answer:269.6 square centimeters
Step-by-step explanation:
Answer:
It's 90 because we'll make it equal
It is 121 x 10^12 so the answer is A.