Math
posted by Nora Escobedo .
Which expression describes the area in square units of the rectangle that has a length of 10x^3y^4 units and a width of 5x^2y units?

area = length * width
= 10x^3y^4 * 5x^2y
= 10*5 x^(3+2) y^(4+1)
= 50 x^5 y^5
Respond to this Question
Similar Questions

basic geometric
10. a rectangle has width the same as a side of a square whose perimeter is 20m. the length of the rectangle is 9m. find the perimeter of this rectangle. 34. The width of a rectangular picture is onehalf the length. The perimeter … 
math
The area of a rectangle is 84 square units. If its length is shortened by 7 units and its width by 2 units a square is formed. Determine the area of the square. 
math
A rectangle has a perimeter of 24 units. If the width is 4 units, which of the following is the length? 
math
. A rectangle has a perimeter of 24 units. If the width is 4 units, which of the following is the length? 
Algebra
The length of a side of a rectangle is 2 units less than a number, and the width is 4 units more than the length. Which of the following expressions represents the area of the rectangle, in square units? 
math
A rectangle has a length of 6x+3 units and a width of 8 units. Write a simplified expression for the area, in square units, of this rectangle. So, my answer was 9x+8 please tell me is this correct... Thank you 
Geometry
The area of a rectangle is 2160 square units and the diagonal is 78 units long. What are the length and width of the rectangle? 
Math
The width of a rectangle is 3 units less than the length. If the area is 70 square units, then find the dimensions of the rectangle. 
MATH
Two rectangles have the same width. One is 12 units long and the other is 8 units long. The area of the first rectangle is 320 square units more than the area of the second rectangle. Find the width of each rectangle. 
Algebra
A rectangle has a length of 5 and 1/2 units and an area of 132 square units. What is the width of the rectangle?