The first is not a polynomial as one term is dividing.
12 × 2 = 24
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Since one nickel equals 5 cents, you'd multiply 10 nickels by 5 cents apiece and yield 50 cents to spend.
3^3. if you're simplifying then you keep the base the smae but add the exponents since you are "multiplying" the bases
Figure A. is going to be 60 square feet and Figure B. is going to be 67.