Mastering Base 10 and Binary Conversions

Convert the decimal number 25 to binary.

• 11100

• 11001

• 10101

• 11010

Convert the decimal number 100 to binary.

• 1001100

• 1100010

• 1010100

• 1100100

Convert the binary number 1010 to decimal.

• 11

• 10

• 1000

• 1011

Convert the binary number 1111 to decimal.

• 10

• 14

• 16

• 15

What is the binary representation of the decimal number 7?

• 101

• 111

• 1110

• 110

What is the binary representation of the decimal number 15?

• 1111

• 1000

• 1110

• 1011

Identify the binary digits in the number 1101.

• 1, 1, 0, 1

• 0, 1, 1, 0

• 1, 1, 1, 0

• 1, 0, 1, 1

What is the place value of the leftmost digit in the binary number 10101?

• 4

• 8

• 16

• 2

Perform binary addition: 101 + 110.

• 1110

• 1011

• 1010

• 1001

Perform binary addition: 111 + 101.

• 1001

• 1100

• 1110

• 1010