Question

If $493\div{29}=17$ then, $4.93\div{0.0017}=?$

• A. 2900
• B. 0.29
• C. 2.9
• D. 2900

Answer 1

Answer:

D. 2900

$493\div{29}=17$

$4.93\div{0.0017}=(493\times{10^{-2}})\div({17\times{10^{-4}}})$

$=\frac{493\times{10^{-2}}\times{10^{4}}}{17}$

$=29\times{10^{2}}$

$=2900$