Question

there are 42 marbles .It can be arrange in different ways like 2 rows, 21 columns or 3 rows, 14 columns and so on make a table and show the possible no.of rows and columns and show how rows and columns are related​

Answer 1

Step-by-step explanation:

Object distance u=−60 cmImage distance v=+120 cmUsing lens formula,1/f=1/v−1/u1/f=1/120−(−1/60)=+40cmH(image) / H(object) = v/uHi=−120/60X5=

Answer 2

Answer:

In Excel column width can be modified, as can row height and width in Excel. Learn to modify Excel cells in this free Excel 2016 lesson.