B i am pretty sure
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Answer:
10.5 miles
Step-by-step explanation:
You multiply the distance with the number of times he ran.
Answer:
7.5×10^4
Step-by-step explanation:
Move the decimal so there is one non-zero digit to the left of the decimal point. The number of decimal places you move will be the exponent on the 10. If the decimal is being moved to the right, the exponent will be negative. If the decimal is being moved to the left, the exponent will be positive.
Hope this helps <3
the answer for this question is 64-144a+108a^2-27a^3
