Given that 100.5 = x, 100.7 = y and xz = y2, then the value of z is close to:
Explanation:
Given, xz = y2
⇒ 10(0.5 × z) = 10(2 × 0.7)
⇒ 100.5z = 101.4
⇒ 0.5z = 1.4
⇒ z = 1.4/0.5 = 2.8
Hence, option (c).
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