Find x if (x\(_4\))\(^2\) = 100100\(_2\)
A
6
B
12
C
100
D
210
E
110
Verified Correct Answer: B.
Step-by-Step Mathematical Solution
x\(_4\) = x \(\times\) 4\(^0\) = x in base 10.
100100\(_2\) = 1 x 2\(^5\) + 1 x 2\(^2\)
= 32 + 4
= 36 in base 10
\(\implies\) x\(^2\) = 36
x = 6 in base 10.
Convert 6 to a number in base 4.
4
6
4
1 r 2
0 r 1
= 12\(_4\)
Source: Myschool Past Questions Archive (Record #32459)