Examen Medidas Flashcards

0
Q

Uso Cifras Significativas 2

A

Ceros entre dígitos distintos de cero son significativos

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1
Q

Uso Cifras Significativas 1

A

Todo número diferente de cero es significativo

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2
Q

Uso Cifras Significativas 3

A

Ceros a la izquierda del primer dígito no valen

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3
Q

Uso Cifras Significativas 4

A

Ceros escritos a derecha punto decimal son significativos, si número es mayor que uno

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4
Q

Uso Cifras Significativas 5

A

Ceros después ultimó dígito pueden contar o no para números sin punto decimal

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5
Q

Exactitud

A

Cercanía medición al valor real

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6
Q

Precisión

A

Correlación dos o más medidas de una misma cantidad

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7
Q

Notación Científica

A

N * 10^n
N - entero positivo entre 1 y 9
n - entero positivo (izquierda) o negativo (negativo) distinto de 0

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8
Q

Suma y Resta Notación Científica

A

Escribir cantidades mismo exponente y luego combinar, exponentes quedan iguales

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9
Q

Multiplicación y División Notación Científica

A

Multiplicar números en notación científica, sumar exponentes

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10
Q

Medidas Masa

A

Kg

G

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11
Q

Medidas Peso

A

lb

oz

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12
Q

Medidas Volumen

A

cm3
mL
L

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13
Q

Medidas Temperatura

A

°C
°F
K

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14
Q

Medidas Densidad

A

Kg/m3
g/cm3
g/mL
Kg/L

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15
Q

Medidas Volumen

A

mL, L - fluidos

cm3, m3 - sólidos

16
Q

Prefijos SI < 0

A

Tera (10^12)
Giga (10^9)
Mega (10^6)
Kilo (10^3)

17
Q

Prefijos SI > 0

A
Deci (10^-1)
Centi (10^-2)
Mili (10^-3)
Micro (10^-6)
Nano (10^-9)
Pico (10^-12)