Can you explain thi experts
Dear student,
Number of dots in a row =9
Number of rows is a variable =r
Total number of dots in r rows
= number of dots in one row × number of rows
= 9r.
Total number of dots in 8 rows =9×8=72
Total number of dots in 10 rows =9×10=90
Regards.
Number of dots in a row =9
Number of rows is a variable =r
Total number of dots in r rows
= number of dots in one row × number of rows
= 9r.
Total number of dots in 8 rows =9×8=72
Total number of dots in 10 rows =9×10=90
Regards.
