Question

Concert binary nuomber 10101)2 into
decimal number and nice versa​

Answer 1

Answer:

binary to decimal : 21

Step-by-step explanation:

step 1

Write summation of multiplication of each bit with increasing power of 2 from the right to left of the binary number 10101.

1 x 24 + 0 x 23 + 1 x 22 + 0 x 21 + 1 x 20

step 2

Simplify the above expression

16 + 0 + 4 + 0 + 1 = 21

1010 = 21

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