Question

Express 6.58×10^-4 in usual form​

Answer 1

6.58* 10^-4 = 0.000658 is the usual form
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Answer 2

Question :-

Express the following Numbers in Usual Form :

(i) $6.58 \times 10^{-4}$

Solution :-

We have,

$\begin {aligned} \bold {6.58 \times 10^{-4}} & = \frac{658}{100} \times \frac{1}{10^4}\\\\& \Rightarrow \frac{658}{10^2 \times 10^4} = \frac{658}{10^6} \\\\& \Rightarrow \frac{658}{10,00,000} \\\\& = \bold {0.000658} \end {aligned}$