Find the areas of rectangles with the following pairs of monomials as their lengths and breaths respectively:(4x,`3x^2`)

Find the areas of rectangles with the following pairs of monomials as their lengths and breaths respectively:(p,q),

Find the areas of rectangles with the following pairs of monomials as their lengths and breaths respectively: (20x^2,5y^2) ,

Find the areas of rectangles with the following pairs of monomials as their lengths and breaths respectively:(3mn,4np)

Find the areas of rectangles with the following pairs of monomials as their lengths and breaths respectively:(10m,5n),

Find the product of the follwing pairs of monomials: 4,7p

Find the product of the follwing pairs of monomials: 4p,0

Find the product of the follwing pairs of monomials: 4p^3,-3p

Find the product of the follwing pairs of monomials: -4p,7pq

Find the product of the follwing pairs of monomials: -4p,7p

Find the areas of the rectangles whose sides are : (a) 3 cm and 4 cm