Question

2. Convert the following binary numbers to base 10: 1111111 ​

Answer 1

The answer to this is 127

Answer 2

Given,

Binary number -1111111

To find,

Convert it into base 10 or in decimal number.

Solution,

For convert into decimal number follow these steps.

1111111 = 1*2^6 + 1*2^5 + 1*2^4 + 1*2^3 + 1*2^2 + 1*2^1 + 1*2^0

1111111 = 64 +32 +16 +8 +4 +2 + 1

1111111 = 127.

The value of binary number (1111111) in base 10 or decimal number is 127.