If √506.25 = 22.5, then what is the value of √0.00050625?
Show answer & explanation
Correct answer: C
Explanation
Given:
√506.25 = 22.5
According to the formula:
√(a × 10⁻⁴) = √a × 10⁻²
0.00050625 = 506.25 × 10⁻⁴
√0.00050625 = √506.25 × 10⁻²
= 22.5 × 10⁻6
= 0.0225