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andrewdestupinan
21.01.2020 •
Chemistry
If a dog has a mass of 19.5 kg, what is its mass in the following units? use scientific notation in all of your answers.(a) what is the dog's mass in grams? (b) what is the dog's mass in milligrams? (c) what is the dog's mass in micrograms?
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Ответ:
The mass of the dog in grams, milligrams and micrograms are:
A. 19500 gB. 1.95×10⁷ mgC. 1.95×10¹⁰ μgStandard conversion scale helps us to convert measurement from one units to another unit.
From the question given above, the mass of the dog is 19.5 kg. We can express the mass of the dog in grams, milligrams and micrograms as follow:
A. Converting 19.5 kg to grams (g)1 kg = 1000 g
Therefore,
19.5 kg = 19.5 × 1000
19.5 kg = 19500 g
Thus, 19.5 kg is equivalent to 19500 g
B. Converting 19.5 kg to milligrams (mg)1 Kg = 10⁶ mg
Therefore,
19.5 kg = 19.5 × 10⁶
19.5 kg = 1.95×10⁷ mg
Thus, 19.5 kg is equivalent to 1.95×10⁷ mg.
C. Converting 19.5 kg to micrograms (μg)1 kg = 10⁹ μg
Therefore,
19.5 kg = 19.5 × 10⁹
19.5 kg = 1.95×10¹⁰ μg
Thus, 19.5 kg is equivalent to 1.95×10¹⁰ μg
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Ответ:
a is correct only if the meteorite survived the burning up and hit ground is it called a meotorite