human
Multiply 3 digit integers by 1 digit integers using long multiplication Charlotte is trying to solve this problem using long multiplication.

What should replace the star as the tens digit in her final answer? \( 538 \times 7 \) \begin{tabular}{r|r|r|r|}
\(\space\) & \( 5 \) & \( 3 \) & \( 8 \) \\
\( \times \) & \(\space\) & \(\space\) & \( 7 \) \\
\hline & \(\space\) & \(\bigstar\) & \\
\hline
\end{tabular} \( 1 \)
gpt
Forgets to carry the tens when doing column multiplication