Math question: In triangle ABC, angle CAB measures 35Β° and angle ABC measures 70Β°. Find the measure of angle BCA using circle theorems.
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Math Question: Convert 4.56 x 10^6 into standard notation.
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What is the average number of pets owned by each person in a neighborhood with 50 households, given that 10 households have 1 pet, 15 households have 2 pets, and 25 households have 0 pets?