19. work the item on scratch paper; then select the answer you think is correct. if the correct answer is not given, select
one of these.\ assume all numbers are exact.

(47.6 + 7.32 + .0574 + 6 =)

Question

19. work the item on scratch paper; then select the answer you think is correct. if the correct answer is not given, select
one of these.\ assume all numbers are exact.

(47.6 + 7.32 + .0574 + 6 =)

Accepted Answer

{ "quality": "clear", "question_count": 1, "skills_matched": [ "step_cot", "multiple_choice_formatter", "explain_then_answer", "quick" ], "needs_drawing": false, "concepts_used": [], "new_concepts": [ "Decimal Addition" ], "current_concepts": [ "Decimal Addition" ] } ## Align decimal places $$ \begin{array}{r@{\quad}l} 47.6000 & \ 7.3200 & \ 0.0574 & \ +\phantom{0}6.0000 & \ \hline \end{array} $$ ## Sum the values $$ \begin{array}{r@{\quad}l} 47.6000 & \ 7.3200 & \ 0.0574 & \ +\phantom{0}6.0000 & \ \hline 60.9774 & \end{array} $$ ## Compare with options $$ \begin{aligned} &\text{Calculated sum} = 60.9774 \ &\text{Since } 60.9774 \text{ is not listed among the visible numerical choices (which start with 60, 60, 61, 61), the correct choice is "none of these".} \end{aligned} $$

(A) 60.977

(B) 60.98

(C) 61.0

(D) 61

(E) none of these

{ "subject": "Mathematics", "question_type": "Multiple Choice", "knowledge_point": [ "Mathematics", "Algebra", "Decimal Addition" ] }

Sovi.AI - AI Math Tutor

QUESTION IMAGE

Question

Explanation:

Align decimal places

Sum the values

Compare with options

Answer: