Element X is a radioactive isotope such that every 9 years, its mass decreases by half. Given that the initial mass of a sample
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Answer:
50 legs
Step-by-step explanation:
We know that a dog has 4 legs, a cat has 4 legs, a giraffe has 4 legs, a duck has 2 legs, and a chicken has 2 legs. So, we want to calculate , right?
Wrong! It's a trick question! The chickens aren't on the floor, so they don't count. So, we really want .
We multiply it out to get .
We add these up to get .
So, our answer is legs.