$$\sum_{a=1}^{10}{3}$$
You asked:
Evaluate the expression: \(\sum_{a = 1}^{10} {3}\)
MathBot Answer:
\[\sum_{a=1}^{10} 3 = 30\]
$$\begin{aligned}\sum_{a=1}^{10} 3 &= 10 \cdot 3 \ \ \ \small{\color{grey}\text{by the identity} \sum_{n=1}^{m} C = mC}\\&= 30\end{aligned}$$