question 4

express 0.000,000,003 in scientific notation

$3 \times 10^{-9}$

$33 \times 10^{-8}$

$3 \times 10^{9}$

Question

question 4

express 0.000,000,003 in scientific notation

$3 \times 10^{-9}$

$33 \times 10^{-8}$

$3 \times 10^{9}$

Accepted Answer

{ "quality": "clear", "question_count": 1, "skills_matched": [ "step_cot", "multiple_choice_formatter", "explain_then_answer", "quick" ], "needs_drawing": false, "concepts_used": [ "Scientific Notation" ], "new_concepts": [], "current_concepts": [ "Scientific Notation" ] } ## Identify the decimal value $$ 0.000,000,003 $$ ## Count decimal places to the first non-zero digit $$ \begin{aligned} &0.\underbrace{000\,000\,00}_{9\text{ places}}3\ &a = 3,\quad n = -9 \end{aligned} $$ ## Write in scientific notation $$ 3 \times 10^{-9} $$

(A) $3 \times 10^{-9}$

(B) $33 \times 10^{-8}$

(C) $3 \times 10^{9}$

{ "subject": "Mathematics", "question_type": "Multiple Choice", "knowledge_point": [ "Mathematics", "Algebra", "Scientific Notation" ] }

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QUESTION IMAGE

Question

Explanation:

Identify the decimal value

Count decimal places to the first non-zero digit

Write in scientific notation

Answer: