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Which expression will give a better estimate of 58.2÷858.2 \div 8?\newlineChoices:\newline(A) 56÷856 \div 8\newline(B) 64÷864 \div 8\newlineUse the expression you picked to estimate the quotient.\newline58.2÷858.2 \div 8 is about \newline\underline{\hspace{3cm}}.

Full solution

Q. Which expression will give a better estimate of 58.2÷858.2 \div 8?\newlineChoices:\newline(A) 56÷856 \div 8\newline(B) 64÷864 \div 8\newlineUse the expression you picked to estimate the quotient.\newline58.2÷858.2 \div 8 is about \newline\underline{\hspace{3cm}}.
  1. Compare to whole numbers: First, let's compare 58.258.2 to the nearest whole numbers given in the choices, 5656 and 6464.
  2. Choose closest whole number: 58.258.2 is closer to 5656 than to 6464. So, we choose (A) 56÷856 \div 8 for a better estimate.
  3. Calculate division: Now, calculate 56÷856 \div 8. 5656 divided by 88 equals 77.
  4. Final estimation: Therefore, 58.2÷858.2 \div 8 is about 77.