human
Multiply 2 digit integers by 2 digit integers using the grid method If you use the grid method to calculate \( 27 \times 42 \) what should replace the star? \begin{tabular}{|c|c|c|}
\hline\( \times \) & \( 20 \) & \( 7 \) \\
\hline \( 40 \) & \(\space\) & \(\color{gold}\bigstar\)\\
\hline \( 2 \) & \(\space\) & \\
\hline
\end{tabular} \( 2800 \)
gpt
When multiplying by a multiple of 10, gives an answer 10 times bigger than it should be