Showing posts with label the binary. Show all posts
Showing posts with label the binary. Show all posts

Tuesday, April 23, 2013

Definition of Base in Math

Introduction to definition of base in math:

In arithmetic, the radix or base refers the number b in an expression of form bn. The number n is called the exponent and the expression is known formally as exponentiation of b by n or the exponential of n with base b. It is more commonly expressed as "the nth power of b", "b to the nth power". (Source: Wikipedia).

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Examples for definition of base in math:


Example 1 for definition of base in math:

Find the base 2 for base 10 of 28.

Solution:

The given base 2 number is (28)10.

We have to convert the base 10 number to base 2 numbers that is in the binary format.

The binary representation for the number 2 is 0010 and the binary representation for the number 8 is 1000. For 28 the binary value is 0010 1000.

So the value of base 10 for the number (28)10 is (0010 1000)2.

Example 2 for definition of base in math:

Find the base 10 for (1111)2.

Solution:

The given base 2 value is (1111)2.

The binary value for 15 is 1111 using the 8 4 2 1 method.

So the decimal value for the (1111)2 is 15.

Example 3 for definition of base in math:

Convert the base 2 value 11010101 into base 6 of the hexadecimal.

Solution:

The given base 2 value is 11010101.

Separate the binary values as 4 digits.

11010101 = 1101 0101

The hexadecimal values are 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, C, D. . . . . . So,

11010101 = D 5

The hexadecimal value for 11010101 is D5.

Example 4 for definition of base in math:

Convert the base 2 value 10011011 into base 6 of the hexadecimal.

Solution:

The given base 2 value is 10011011.

Separate the binary values as 4 digits.

10011011 = 1001 1011

The hexadecimal values are 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, C, D. . . . . . So,

11010101 = 9 B

The hexadecimal value for 11010101 is 9B.

Practice problem for definition of base in math:


Convert the (1110)2 into the decimal number.
Answer: 14

Convert 43 into the binary number.
Answer: 01000011

Convert the 10111010 into hexadecimal number.
Answer: B A.