A) \[7.2\times {{10}^{-7}}\]
B) \[7.2\times {{10}^{7}}\]
C) \[7.2\times {{10}^{-6}}\]
D) \[72\times {{10}^{-6}}\]
Correct Answer: C
Solution :
\[0.0000072=\frac{72}{10000000}=\frac{72}{10\times {{10}^{6}}}\] \[=\frac{72}{10}\times {{10}^{-6}}=7.2\times {{10}^{-6}}\]You need to login to perform this action.
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