QQuestionMathematics
QuestionMathematics
"Using the ladder method, convert 2000 mg to what unit?
A. 8
B. 20
C. 200
D. 20000"
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Answer
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Step 1:I'll solve this problem step by step using the ladder method for metric unit conversion.
Step 2:: Understand the Metric Ladder
The metric system uses a ladder where each step represents a multiplication or division by 10. When moving down the ladder, we multiply; when moving up, we divide.
Step 3:: Identify the Starting Unit
We start with 2000 mg (milligrams)
Step 4:: Determine the Conversion Path
To convert mg to a larger unit, we'll move up the ladder mg → g (milligrams to grams)
Step 5:: Perform the Conversion
2000 \div 1000 = 2
(We divide by 1000 because there are 1000 mg in 1 g)
Step 6:: Check the Units
2 g is equivalent to the original 2000 mg
Step 7:: Verify the Answer Choices
Looking at the options, we see 2 corresponds to option B.
Final Answer
Key Insights: - In metric conversions, moving up the ladder means dividing by 1000 - 1 g = 1000 mg - Always carefully track your units during conversion
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