1. Write in scientific notation.
___1. 23.67
___2. 89 000
___3. 0.00098
___4.0.09989
___5. 0.0078641
___6. 0.0802
___7.0.0000001
___8. 789
___9.3, 111
___10. 0.00121

He trapezoid is composed of a rectangle and two triangles. what is the area of the rectangle? what is the total area of the triangles? what is the area of the trapezoid? ? a) 42 cm2; 27 cm2; 69 cm 2 b) 54 cm2; 27 cm2; 81 cm 2 c) 108 cm2; 27 cm2; 135 cm 2 d) 108 cm2; 13.5 cm2; 121.5 cm 2