将 76 523 四舍五入到百位。

1. Identify the digit in the hundreds place and the digit to its right

In $76\ 523$, the digit in the hundreds place is $5$. The digit to its right (in the tens place) is $2$.

2. Apply rounding rules

Since the digit in the tens place is $2$, which is less than $5$, we round down. The hundreds digit remains $5$, and the digits to its right become $0$.
$76\ 523 \approx 76\ 500$