Question
Size of a bacteria $= 0.0000004\ m.$ Express it in standard form.
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Answer
Size of bacteria $= 0.0000004\ m$
$=\frac{4}{10000000}\text{m}$
$=\frac{4}{10^7}\text{m}$
$=(4\times10^{-7})\text{m}$
$=\frac{4}{10000000}\text{m}$
$=\frac{4}{10^7}\text{m}$
$=(4\times10^{-7})\text{m}$
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