Questions: 向 ML= 9000000 L 9 km= □ m 900 cg= □ g □ ms= 8 s

Transcript text: \begin{tabular}{|rr|} \hline 向 $\mathrm{ML}=$ & 9000000 L \\ \hline $9 \mathrm{~km}=$ & $\square \mathrm{m}$ \\ \hline $900 \mathrm{cg}=$ & $\square \mathrm{g}$ \\ \hline$\square \mathrm{ms}=$ & 8 s \\ \hline \end{tabular}

Solution

Solution Steps

Step 1: Convert 9 km to meters

To convert kilometers (km) to meters (m), use the conversion factor $ 1 \, \mathrm{km} = 1000 \, \mathrm{m} $.
Multiply $ 9 \, \mathrm{km} $ by $ 1000 $:
\[ 9 \, \mathrm{km} = 9 \times 1000 \, \mathrm{m} = 9000 \, \mathrm{m}. \]

Step 2: Convert 900 cg to grams

To convert centigrams (cg) to grams (g), use the conversion factor $ 1 \, \mathrm{cg} = 0.01 \, \mathrm{g} $.
Multiply $ 900 \, \mathrm{cg} $ by $ 0.01 $:
\[ 900 \, \mathrm{cg} = 900 \times 0.01 \, \mathrm{g} = 9 \, \mathrm{g}. \]

Step 3: Convert milliseconds (ms) to seconds (s)

To find the number of milliseconds (ms) equivalent to $ 8 \, \mathrm{s} $, use the conversion factor $ 1 \, \mathrm{s} = 1000 \, \mathrm{ms} $.
Multiply $ 8 \, \mathrm{s} $ by $ 1000 $:
\[ 8 \, \mathrm{s} = 8 \times 1000 \, \mathrm{ms} = 8000 \, \mathrm{ms}. \]

Final Answer

\[ \begin{aligned} 9 \, \mathrm{km} &= \boxed{9000 \, \mathrm{m}} \\ 900 \, \mathrm{cg} &= \boxed{9 \, \mathrm{g}} \\ \square \, \mathrm{ms} &= \boxed{8000 \, \mathrm{ms}} \\ \end{aligned} \]

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