I think the answer is B because all of the other ones dont make sense and wouldnt work in a time crunch


(10101)_2=(21)10


Given : Number (10101)_2(10101)2
To find : What is the value of (10101)_2(10101)2 in decimal number system?
Solution :
Decimal number system is a positional numeral system employing 10 as the base.
Now, to convert it into base 10
Multiply each digit of the following binary by the corresponding power of 2:
(10101)_2(10101)2
=1\times 2^4+0\times 2^3+1\times 2^2+0\times 2^1+1\times 2^0=1×24+0×23+1×22+0×21+1×20
=1\times 16+0\times 8+1\times 4+0\times 2+1\times 1=1×16+0×8+1×4+0×2+1×1
=16+0+4+0+1=16+0+4+0+1
=21=21
Therefore, (10101)_2=(21)_{10}(10101)2=(21)10
If Darren wants to substitute every occurrence of the word bulky in his spreadsheet with the word strong, the one that he should use is the Find all function. This function simplifies the use of the Find method. Therefore, the correct answer would be option B.
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