Utiliza la notacion cientifica, las propiedades de las potencia y la calculadora para obtener el resultado de las siguientes operaciones
A: (7,2 X 10 elevado a la menos 9)(1,806 X 10 elevado a la menos 12)
B: (3,542 X 10 elevado a la menos 6)
(5,05 X 10 elevado a la 4)
C: (0,0000162)(0,01582)
(594621000)(0,0058)
D: (73,1)(1,6341 x 10 elevado a la 28)
(0,000 000 0019)
E: (7,2 x 10 elevado a la 24)(0,61 x 10 elevado a la 19)

The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 0 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)

Find the volume of the solid whose base is the region bounded by f(x), g(x) and the x-axis on the interval [0, 1], and whose cross-sections perpendicular to the y-axis are squares. your work must show the integral, but you may use your calculator to evaluate it. give 3 decimal places for your answe

The area of a circle is equal to 1 dm². find the radius of the circle.