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During unit conversion from larger to smaller units, in which direction should the decimal point move?

A.

Right

B.

Left

C.

Middle

D.

Top

Answer and Explanation

The Correct Answer is A

A. Right: When converting from a larger unit to a smaller unit (e.g., grams to milligrams), the decimal point moves to the right because smaller units are more numerous per one larger unit. This increases the numeric value appropriately for the smaller unit.

B. Left: Moving the decimal to the left converts from smaller units to larger units, which decreases the numeric value. This is the opposite of what is needed when going from larger to smaller units.

C. Middle: “Middle” is not a recognized direction in decimal movement for unit conversions. Conversion is based on powers of ten, not arbitrary placement.

D. Top: “Top” is not a valid term for decimal movement in metric conversions. Unit conversions require moving the decimal point either left or right according to size differences.


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Related Questions

Correct Answer is D

Explanation

Calculation:

  • Identify the ordered dose and tablet strength

Ordered Dose: 200 mg

Tablet Strength: 400 mg per tablet

  • Calculate the number of tablets to administer

Number of Tablets = Ordered Dose ÷ Tablet Strength

Number of Tablets = 200 ÷ 400

= 0.5

Correct Answer is D

Explanation

Calculation:

  • Identify the ordered dose and tablet strength

Ordered Dose: 800 mg

Tablet Strength: 200 mg per tablet

  • Calculate the number of tablets to administer

Number of Tablets = Ordered Dose ÷ Tablet Strength

Number of Tablets = 800 ÷ 200

= 4

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