1.
How many milligrams are there in 2 grams?
Correct Answer
B. 2000 mg
Explanation
To convert grams to milligrams, the general rule is that 1 gram is equal to 1000 milligrams. For this particular conversion, you multiply the number of grams by 1000 to convert it to milligrams. This means 2 grams multiplied by 1000 equals 2000 milligrams. Thus, the answer is 2000 milligrams.
2.
How many milligrams are there in 0.5 kilograms?
Correct Answer
C. 500,000 mg
Explanation
When converting kilograms to milligrams, you start by understanding that 1 kilogram equals 1000 grams, and each gram is equal to 1000 milligrams. Therefore, to find the milligrams, you multiply the kilograms by 1000 to get grams and then multiply by 1000 again to get milligrams. For 0.5 kilograms, you multiply 0.5 by 1000 to get 500 grams, and then multiply 500 by 1000 to get 500,000 milligrams. Therefore, the correct answer is 500,000 milligrams.
3.
How many milligrams are there in 1.5 grams?
Correct Answer
B. 1500 mg
Explanation
To convert from grams to milligrams, the conversion factor is 1000 milligrams per gram. Therefore, you multiply the number of grams by 1000 to find the number of milligrams. For 1.5 grams, multiplying 1.5 by 1000 gives you 1500 milligrams. Therefore, there are 1500 milligrams in 1.5 grams.
4.
How many milligrams are there in 0.25 kilograms?
Correct Answer
D. 250,000 mg
Explanation
Starting with the conversion of kilograms to grams, 1 kilogram is equivalent to 1000 grams. Multiplying 0.25 kilograms by 1000 gives 250 grams. To convert grams to milligrams, multiply 250 grams by 1000, which results in 250,000 milligrams. Hence, there are 250,000 milligrams in 0.25 kilograms.
5.
How many milligrams are there in 3.2 grams?
Correct Answer
B. 3200 mg
Explanation
The process of converting grams to milligrams involves multiplying by 1000. For 3.2 grams, the calculation would be 3.2 times 1000, which equals 3200 milligrams. Therefore, 3.2 grams is equal to 3200 milligrams.
6.
How many milligrams are there in 0.75 kilograms?
Correct Answer
C. 750,000 mg
Explanation
To convert kilograms to milligrams, first convert the kilograms to grams by multiplying by 1000. For 0.75 kilograms, that is 0.75 times 1000, which equals 750 grams. Then, to convert grams to milligrams, multiply 750 grams by 1000, resulting in 750,000 milligrams. This shows that 0.75 kilograms is equivalent to 750,000 milligrams.
7.
How many milligrams are there in 4 grams?
Correct Answer
B. 4000 mg
Explanation
When converting grams to milligrams, use the conversion factor of 1000 milligrams per gram. Thus, multiplying 4 grams by 1000 results in 4000 milligrams. Therefore, 4 grams converts to 4000 milligrams.
8.
How many milligrams are there in 2 kilograms?
Correct Answer
D. 2,000,000 mg
Explanation
Converting kilograms to milligrams involves two steps. First, convert the kilograms to grams by multiplying by 1000. Thus, 2 kilograms equals 2000 grams. Next, convert the grams to milligrams by multiplying by 1000. This gives 2000 grams times 1000 equals 2,000,000 milligrams. Therefore, 2 kilograms equals 2,000,000 milligrams.
9.
How many milligrams are there in 0.1 grams?
Correct Answer
B. 100 mg
Explanation
To convert grams to milligrams, you multiply the number of grams by 1000. In this case, 0.1 grams multiplied by 1000 equals 100 milligrams. Therefore, there are 100 milligrams in 0.1 grams.
10.
How many milligrams are there in 1.2 kilograms?
Correct Answer
D. 1,200,000 mg
Explanation
To convert kilograms to milligrams, begin by converting kilograms to grams. One kilogram equals 1000 grams, so 1.2 kilograms equals 1200 grams. Then convert grams to milligrams by multiplying by 1000, which gives 1200 grams times 1000 equals 1,200,000 milligrams. Hence, there are 1,200,000 milligrams in 1.2 kilograms.
11.
How many milligrams are there in 0.03 grams?
Correct Answer
B. 30 mg
Explanation
The conversion from grams to milligrams involves multiplying the amount in grams by 1000. For 0.03 grams, this would be 0.03 times 1000 equals 30 milligrams. This calculation shows that 0.03 grams is equivalent to 30 milligrams.
12.
How many milligrams are there in 0.04 kilograms?
Correct Answer
D. 40,000 mg
Explanation
Start by converting kilograms to grams (1 kilogram equals 1000 grams), so 0.04 kilograms equals 40 grams. Then, convert grams to milligrams by multiplying by 1000. Therefore, 40 grams times 1000 equals 40,000 milligrams. Hence, there are 40,000 milligrams in 0.04 kilograms.
13.
How many milligrams are there in 5 grams?
Correct Answer
B. 5000 mg
Explanation
To find the number of milligrams in 5 grams, multiply the number of grams by 1000. This calculation would be 5 times 1000 equals 5000 milligrams. Therefore, 5 grams equals 5000 milligrams.
14.
How many milligrams are there in 3 kilograms?
Correct Answer
D. 3,000,000 mg
Explanation
First convert the kilograms to grams, knowing that 1 kilogram equals 1000 grams. Therefore, 3 kilograms equals 3000 grams. Next, convert the grams to milligrams by multiplying by 1000, which is 3000 grams times 1000 equals 3,000,000 milligrams. Thus, 3 kilograms is equal to 3,000,000 milligrams.
15.
How many milligrams are there in 0.6 grams?
Correct Answer
B. 600 mg
Explanation
Converting grams to milligrams requires a multiplication by 1000. For 0.6 grams, the equation is 0.6 times 1000 equals 600 milligrams. Therefore, 0.6 grams corresponds to 600 milligrams.
16.
How many milligrams are there in 0.8 kilograms?
Correct Answer
D. 800,000 mg
Explanation
To convert 0.8 kilograms to milligrams, first convert the kilograms to grams (0.8 kg equals 800 grams) and then convert the grams to milligrams (800 grams equals 800,000 milligrams). This is because 1 kilogram equals 1000 grams and 1 gram equals 1000 milligrams, resulting in 0.8 kilograms equaling 800,000 milligrams.
17.
How many milligrams are there in 7 grams?
Correct Answer
B. 7000 mg
Explanation
To find the number of milligrams in 7 grams, multiply the grams by 1000. This calculation would be 7 grams times 1000 equals 7000 milligrams. Hence, 7 grams equals 7000 milligrams.
18.
How many milligrams are there in 0.09 kilograms?
Correct Answer
D. 90,000 mg
Explanation
When converting from kilograms to milligrams, convert the kilograms to grams first (0.09 kg equals 90 grams) and then convert grams to milligrams (90 grams equals 90,000 milligrams). Thus, 0.09 kilograms is equivalent to 90,000 milligrams.
19.
How many milligrams are there in 0.02 grams?
Correct Answer
B. 20 mg
Explanation
The conversion of grams to milligrams is straightforward by multiplying by 1000. For 0.02 grams, the calculation is 0.02 times 1000 equals 20 milligrams. Therefore, 0.02 grams is equivalent to 20 milligrams.
20.
How many milligrams are there in 4.5 kilograms?
Correct Answer
D. 4,500,000 mg
Explanation
To convert 4.5 kilograms to milligrams, start by converting the kilograms to grams (4.5 kg equals 4500 grams) and then convert the grams to milligrams (4500 grams equals 4,500,000 milligrams). This comprehensive calculation shows that 4.5 kilograms equals 4,500,000 milligrams.