1. **State the problem:** Add the numbers 652.37, 29.978, and 810.
2. **Write the addition expression:**
$$652.37 + 29.978 + 810$$
3. **Align decimal places and add:**
$$\begin{array}{r}
652.370 \\
+ 29.978 \\
+ 810.000 \\
\hline
\end{array}$$
4. **Add the numbers step-by-step:**
$$652.370 + 29.978 = 682.348$$
$$682.348 + 810.000 = 1492.348$$
5. **Final answer:**
$$1492.348$$
So, the sum of 652.37, 29.978, and 810 is **1492.348**.
Addition Sum 8Dcc47
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