A) \[16\times {{10}^{-3}}\]
B) \[16\times {{10}^{-4}}\]
C) \[16\times {{10}^{-5}}\]
D) \[16\times {{10}^{-6}}\]
Correct Answer: C
Solution :
\[\sqrt{0.04\times 0.4\times a}\] \[=0.004\times 0.4\times \sqrt{b}\] Squaring both sides, \[0.04\times 0.4\times a\] \[=0.004\times 0.4\times 0.004\times 0.4\times b\] \[\Rightarrow \] \[\frac{a}{b}=\frac{0.004\times 0.004\times 0.4\times 0.4}{0.04\times 0.4}\] = 0.00016 \[=\frac{16}{100000}=16\times {{10}^{-5}}\]You need to login to perform this action.
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