Q. Which decimal is equivalent to 31 ?Choose 1 answer:(A) 0.13(B) 0.3(C) 1.3(D) 3.3
Understand repeating decimals: Understand the concept of repeating decimals. A repeating decimal is a decimal number that has a digit or a group of digits that repeat infinitely. The bar notation (like 3) indicates that the digit under the bar repeats without end.
Convert fraction to decimal: Convert the fraction(1)/(3) to a decimal.To convert a fraction to a decimal, we divide the numerator by the denominator. So we divide 1 by 3.
Perform division: Perform the division 1÷3.When we divide 1 by 3, we get 0.3333…, with the 3 repeating infinitely.
Express using bar notation: Express the repeating decimal using bar notation.Since the digit 3 repeats infinitely, we use the bar notation over the 3 to indicate this repetition. Therefore, 31 is equivalent to 0.3.
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