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Find x if (x\(_4\))\(^2\) = 100100\(_2\)

Find x if (x\(_4\))\(^2\) = 100100\(_2\)
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
  • A 6
  • B 12
  • C 100
  • D 210
  • E 110
Correct Answer: Option B
Explanation:
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\(_4\)

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