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Number system - take the quiz

2. Which of the following numbers is an odd number?
12
25
36
48
In this case, 25 cannot be divided evenly by 2. 3. Convert the binary number 1010 to decimal.
4. What is the place value of the digit 7 in the number 8,763?
Ones
Tens
Hundreds
Thousands
Which of the following is a prime number?
9
13
20
27
6. Convert the decimal number 45 to binary.
What is the value of the digit 9 in the number 3,987?
900
90
9
0
8. Which of the following numbers is divisible by both 2 and 3?
6
10
12
15
18
In this case, 6, 12, and 18 satisfy these conditions. 9. Convert the octal number 34 to decimal.
10. What is the place value of the digit 3 in the number 532.41?
Ones
Tens
Hundreds
Tenths
11. Which of the following numbers is a composite number?
7
12
17
23
12. Convert the decimal number 78 to octal.
What is the value of the digit 2 in the number 2,345,678?
20
200
2,000
2
14. Which of the following numbers is divisible by both 4 and 5?
10
15
20
25
30
In this case, 20 and 30 satisfy these conditions. 15. Convert the hexadecimal number AB to decimal.
What is the place value of the digit 6 in the number 9,876.54321?
Ones
Tens
Hundreds
Thousands
Ten-thousandths
17. Which of the following numbers is a perfect square?
14
25
32
49
18. Convert the decimal number 92 to hexadecimal.
What is the value of the digit 7 in the number 7,654,321?
700
7,000
70,000
7
20. Which of the following numbers is divisible by both 6 and 9?
18
24
27
36
42
Convert the octal number 67 to decimal.
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