
Operaciones con notación científica
Presentation
•
Mathematics, Physics
•
1st Grade
•
Practice Problem
•
Medium
ROCIO NAVARRO
Used 12+ times
FREE Resource
9 Slides • 6 Questions
1
by ROCIO NAVARRO
2
3400000= 3,4 x 106
0,00002993= 2,993x10-5
3
3,4 x 106 + 2 x 106 = 5,4 x 106
5,2 x 103 - 4 x 103 = 1,2 x 103
1,1 x 10-2 + 2,2 x 10-2 = 3,3 x 10-2
4
5,2 x 103 - 4 x 103 = 1,2 x 103
5
Multiple Choice
Calcula 4,3 x 105 - 2 x 105=
8,6
8,6 x 105
2,3 x 105
6
Multiple Choice
5,3 x 10-5 + 4,2 10-5
9,5 x 10-5
9,5 x 10-10
-9,5 x 10-5
7
Multiple Select
Para sumar y restar números en notación científica:
(hay tres respuestas correctas)
Sumar y restar la primera parte del número
Sumar y restar los exponentes de la potencia de 10
Las potencias de 10 deben ser iguales para poder sumar y restar
La potencia de 10 se queda igual tras la suma o resta
8
3,4 x 106 x 2 x 106 = 6,8 x 1012
3 x 103 x 3,1 x 10-4 = 9,3 x 10-1
1,1 x 10-2 x 4 x 10-5 = 4,4 x 10-7
9
*No hace falta que sean iguales para poder multiplicar
* Al multiplicar potencias con las mismas bases los exponentes se suman.
CUIDADO CON LOS SIGNOS
AL SUMAR EXPONENTES
103 x 10-4 = 10-1
10-2 x 10-5 = 10-7
10
Multiple Choice
Calcula 2 x 10-2 x 4,3 x 10-2
8,6 x 10-4
8,6 x 10-2
6,3 x 10-4
11
Pero es lo mismo
12
4,2 x 106 : 2 x 102 = 2,1 x 104
9 x 103 : 3 x 10-4 = 3 x 107
6,3 x 10-2 : 3 x 10-5 = 2,1 x 103
13
Multiple Choice
¿Qué ocurre en este caso con los exponentes de las potencias de 10?
se suman
se restan
se multiplican
se dividen
14
106 : 102 = 104 6-2 = 4
103 : 10-4 = 107 3- (-4) = 7
10-2 : 10-5 = 103 -2- (-5) = 3
15
Multiple Choice
Calcula 2,8x10-2 : 2x105
1,4x10-3
1,4x10-7
1,4x103
by ROCIO NAVARRO
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