Answer:
C.
Step-by-step explanation:
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I think it's C) but the answer should be 6561.
3 groups and 8 people...

Will give you your answer
<span>1. Measure the distance the solvent front traveled from the baseline (m1). 2. Measure the distance the reactant b spot traveled (the center of the spot) (m2). 3. To determine the rf, divide (m2/m1). 4. Significant figures- use 2 so the answer should be written to the hundredths place as the spot will not travel farther than the solvent front.</span>