
PSA 2021
Authored by Jorge Gutierrez
Mathematics, Physics, Chemistry
University
Used 1+ times

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7 questions
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1.
OPEN ENDED QUESTION
3 mins • Ungraded
Nombre Completo
Evaluate responses using AI:
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2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Que son las cifras significativas
Son mediciones sin estimación
son números redondeados
son los números seguros y el primer número inseguro o dudoso
son los números dudosos
todo los anteriores
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cualquier numero que NO sea cero es significativo:
Falso
Verdadero
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Todos los ceros entre cifras significativas no son significativos
Falso
Verdadero
5.
FILL IN THE BLANK QUESTION
1 min • 1 pt
¿Los ceros a la izquierda del primer dígito solo sirve para?
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A que se llama factorial ?
A la multiplicación de los n números hasta n-1
Al producto de n factores consecutivos, que comienzan en la unidad y terminan en n
Todos los factores dentro de un rango n
Todas las anteriores
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
• Los símbolos 1! y 0! por convenio (y sobre todo por funcionamiento práctico) su valor es:
0
1
2
3
No tiene valor
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