75 is closer to 70 because it is only 5 units away from 70 on the number line, whereas it is 5 units away from 80. In mathematics, proximity is determined by the absolute difference between the number in question and the options provided. In this case, 75 is closer to 70 by a difference of 5 compared to a difference of 5 with 80.
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The halfway point between 70 and 80 is (70 + 80) ÷ 2 = 75
80 75 + 70 + 80 = 225 80 + 85 + 90 = 255 225 + 255 = 480 six numbers so 480 / 6 = 80
75
70, 75, 80, 85, 90 and 95.
No, there aren't any square numbers between 70 and 80. From 70 to 80, no number has a perfect square root, so no square number exists between 70 to 80.