Taller-2-Precalculo-I-2013

# Utilice notaci on cient ıfica para expresar 6

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5. Utilice notaci´ on cient´ ıfica para expresar: 0 6. Exprese en notaci´ on cient´ ıfica cada una de las cantidades dadas y realice el alculo utilizando las propiedades de los exponentes sin utilizar calculadora. D´ e la respuesta en notaci´ on cient´ ıfica. 0 , 004 × 2900 0 , 00011 = *(Los puntos 7 al 9 son colaboraci´ on del profesor Bernardo Acevedo de la Sede de Manizales) 7. Realice todo el proceso de simplificaci´ on para mostrar que las dos expresiones son equivalentes. a) bracketleftBigg ( 8 a 6 ) 1 / 3 1 ( a 2 ) 1 / 2 bracketrightBigg 1 y 2 a. b) a 1 b 2 + a 2 b 1 b 2 - a 2 y 1 a - b . c) ma 1 / 3 9 nb ÷ parenleftbigg 3 n 1 / 2 a 1 / 3 b 1 / 2 parenrightbigg 2 y ma. d) x 2 m - 2 x m y n + y 2 m y ( x m - y n ) 2 . e) - [ - a + {- a + ( a - b ) - ( a - b + c ) - [ - ( - a ) + b ] } ] y 3 a + b + c. f) ( a m b x )( - a 2 )( - 2 ab )( - 3 a 2 x ) y - 6 a m +5 b x +1 x. g) n 6 + 1 n 2 + 1 y n 4 - n 2 + 1 . h) a x ( a x +1 + b x +2 )( a x +1 - b x +2 ) b x y a 3 x +2 b x - a x b 3 x +4 . i) 1 3 x + 3 + 1 2 x - 2 + 1 x 2 - 1 y 5 x + 7 6( x + 1)( x - 1) . 8. Pruebe las siguientes igualdades. a) 3 48 + 2 6 4 - 3 3 6 - 3 2 + 2 6 36 = 3 2( 3 3 + 1) b) (3 2 + 2 3 - 5) ÷ 3 = 6 + 2 - 15 3 .
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• Spring '12
• Punto, Alumno, Universidad Nacional de Colombia, Manizales

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