Question

convert binary numbers into decimal number (10101)2 - base​

Answer 1

Answer:

(21)10

Step-by-step explanation:

Answer 2

SOLUTION

TO DETERMINE

Convert binary numbers into decimal number

$\sf{(10101)_2}$

EVALUATION

Here the given binary number is

$\sf{(10101)_2}$

We convert it into decimal as below

$\sf{(10101)_2}$

$\sf{ = (1 \times {2}^{0} ) + (0 \times {2}^{1} ) + (1 \times {2}^{2} ) + (0 \times {2}^{3} ) + (1 \times {2}^{4} )}$

$= \sf{1 + 0 + 4 + 0 + 16}$

$= \sf{21}$

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