Dale tried to estimate the area of his backyard garden. He guessed it was 12 square meters. When he measured


Dale tried to estimate the area of his backyard garden. He guessed it was 12 square meters. When he measured the dimensions later, he realized that it was actually 12.4 square meters. Explain why Dale should or should not round down, given the fact that he has only enough pesticide to spray a particular number of centimeters squared.


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