B. Directions: Solve the given problems. Write the letter of the correct answer on the space before each item. 1. A rectangular section of land made up of wheat farms has a length of (5) . (104) and a width of (6) (103) meters. What is the area of the land in square meters? a. 3000000 square meters c. 30000000 square meters b. 300000000 square meters d. 3000000000000 square meters 2. A seed on a dandelion flower weighs 15-9 grams. A dandelion itself can weigh up to 15 grams. How many times heavier is a dandelion than its seed? a. 15-6 b. 156 C. 15-0 d. 15° 3. Find the area of a triangle with a base of 3x?y2 and a height of 4x“y. Hint: Use the formula: A = 1/2.bh a. 12xy b- 6x®y c. 12xys d. 6x®y 4. The area of a rectangle is 80x^y2. The width of the rectangle is 5x'y. what is the length of the rectangle? Area of a rectangle = 1 x W. a. 16xy b. 80x2 c. 16x’y d. 80x'y 5. The area of a rectangle is 144jºk18 sq cm. If the width of the rectangle is 8;*k cm, what is the rectangle's length? Hint A=LW a. 1152;'ko b. 152; 320 c. 136k10 d. 18k10
