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# How do you write 820.5 in scientific notation?

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#### Explanation

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#### Explanation:

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1
Jun 20, 2018

$8.205 \cdot {10}^{2}$

#### Explanation:

When we write numbers in scientific notation, we want one non-zero digit before the decimal. In our case, we want it after the $8$.

We need to loop it $2$ times to the left. This will be our exponent. Since we are looping it left, the exponent will be positive. We get

$\overline{\underline{| \textcolor{w h i t e}{\frac{2}{2}} 8.205 \cdot {10}^{2} \textcolor{w h i t e}{\frac{2}{2}} |}}$

Hope this helps!

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