A dolphin's hearts beats 688 times in 6 minutes. Answer: about 100 times
2 answers:
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Answer:
8.5 inches
Step-by-step explanation:
Scientific scientific notation is where the super small / super large number is multiplied by a 10 (E) to the power of a number. Here, the number is smaller than 8.5 so our power must be negative. As we are making it four "places" bigger, we use the exponent of -4.
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