Mean = (85+82+84+77+82+88)/6 = 498/6 = 83
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Mean = (8+3+6+5+2+7+6+2)/8 = 39/8 = 4.875
a decimal in which a digit or group of digits repeats without end
It is a repeating decimal.
A decimal is a value, a decimal point separates the whole number from the fraction.EG 12.34 is a decimal, the point is the dot in the middle...a decimal is a group of number combined to make a number problem and a decimal point divides it so you wont get confusedEX: candy bar $ 1.50 without the decimal point $150
If a decimal can be expressed as a fraction then it is a rational number as for example 0.75 = 3/4 Also, if the decimal ever ends, or is a never ending repeat of the same digit or group of them, then it's a rational number.