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a) Determine the mass of a student in kilograms who weighs 135 pounds using the conversion factor 1 kg = 2.2 lbs. Round your answer to the nearest tenth.

b) Convert 5.3 milligrams into grams.

Answer :

The mass of a student in kg who weighs 135 lbs is 61.4 kg . To convert 5.3 milligrams to grams, divide by 1000 to get 0.0053 grams.

a) the mass of a student in kg who weighs 135 lbs.:

To convert pounds to kilograms, we use the conversion factor 1 kg = 2.2 lbs.

  1. First, we take the student's weight in pounds: 135 lbs.
  2. Next, we divide by the conversion factor:
    135 lbs ÷ 2.2 lbs/kg ≈ 61.36 kg.
  3. Finally, we round to the nearest tenth: 61.4 kg.

So, the mass of the student is approximately 61.4 kg.

b) 5.3 milligrams into grams:

To convert milligrams to grams, we use the fact that 1 gram = 1000 milligrams.

  1. First, we take the amount in milligrams: 5.3 milligrams.
  2. Next, we divide by 1000 to convert to grams:
    5.3 mg ÷ 1000 = 0.0053 grams.

Therefore, 5.3 milligrams is equal to 0.0053 grams.

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Rewritten by : Barada

Answer:

Below

Explanation:

135 lbs * 1 kg/2.2 lb = ~ 61.4 kg

there are 1000 mg in each gram

5.3 mg * 1 gm / 1000 mg = .0053 g