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Which expression will give a better estimate of 15.7÷215.7 \div 2?\newlineChoices:\newline(A) 14÷214 \div 2\newline(B) 16÷216 \div 2\newlineUse the expression you picked to estimate the quotient.\newline15.7÷215.7 \div 2 is about \newline\underline{\hspace{3cm}}.

Full solution

Q. Which expression will give a better estimate of 15.7÷215.7 \div 2?\newlineChoices:\newline(A) 14÷214 \div 2\newline(B) 16÷216 \div 2\newlineUse the expression you picked to estimate the quotient.\newline15.7÷215.7 \div 2 is about \newline\underline{\hspace{3cm}}.
  1. Compare to nearest integers: Compare 15.715.7 to the nearest integers in the choices; 1414 and 1616. 15.715.7 is closer to 1616 than 1414.
  2. Choose estimation method: Choose (B)16÷2(B) 16 \div 2 to estimate 15.7÷215.7 \div 2.
  3. Calculate division: Calculate 16÷216 \div 2. 1616 divided by 22 equals 88.