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When a number is multiplied 5 times with itself, it gives the value 1445. Find the number.
A) 18
B) 15
C) 19
D) 17
Correct answer:
D) 17
Description for Correct answer:
Let the number = x
According to the question,
\( \Large 5x^{2} = 1445 \)
Therefore, \( \Large x^{2} = \frac{1445}{5} = 289 \)
Therefore, \( \Large x = \sqrt{289} = 17 \)
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