Answer
$A_{21}: 3$
Dimensions: 2$\times$3
Work Step by Step
Row 2 Column 1 : 3
There are 2 rows and 3 columns, so the dimensions is 2$\times$3
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.