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For mammals, brain mass scales as body mass to the power of 0.70: Mbrain∝M^(0.70)body. Mammal A...

For mammals, brain mass scales as body mass to the power of 0.70: Mbrain∝M^(0.70)body.

Mammal A has twice the body mass of mammal B. What is the ratio of mammal A's brain mass to mammal B's? Report your answer using two significant figures.

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