
verifica 1cC 19/04/23

Quiz
•
Mathematics
•
Professional Development
•
Hard
Laura Lugana
Used 1+ times
FREE Resource
8 questions
Show all answers
1.
FILL IN THE BLANK QUESTION
30 sec • 4 pts
DETERMINARE IL NUMERO DI CIFRE SIGNIFICATIVE PRESENTI NELLE SEGUENTI MISURE: (a) 78,9 cm; (b) 0,0032 dm; (c) 1,602 kg; (d) 0,080 l
2.
FILL IN THE BLANK QUESTION
30 sec • 18 pts
3.
FILL IN THE BLANK QUESTION
30 sec • 9 pts
NOVE MISURE DIVERSE DELLA LARGHEZZA DELLA CATTEDRA FORNISCONO LA SEGUENTE SERIE DI RISULTATI: 1,21 m; 1,23 m; 1,20 m; 1,20 m; 1,19 m; 1,24 m; 1,22 m; 1,21 m; 1,21 m.
SI DETERMININO IL VALORE MEDIO, L'ERRORE ASSOLUTO, L'ERRORE RELATIVO
4.
FILL IN THE BLANK QUESTION
30 sec • 9 pts
ANDREA MISURA CON UN CRONOMETRO PER 10 VOLTE IL TEMPO CHE LA SUA AUTO IMPIEGA A COMPIERE UN INTERO GIRO LUNGO L’INTERO PERCORSO CIRCOLARE. LE MISURE (IN SECONDI) SONO LE SEGUENTI: 51,3 - 51,2 - 51,1 - 51,0 - 51,4 - 51,2 - 51,0 - 51,2 - 51,1 - 51,4 .
SI DETERMININO IL VALORE MEDIO, L'ERRORE ASSOLUTO, L'ERRORE RELATIVO (1c.s.)
5.
FILL IN THE BLANK QUESTION
30 sec • 9 pts
DETERMINA, MOTIVANDO LA RISPOSTA, QUALE FRA LE SEGUENTI MISURE DI TEMPO, È LA PIÙ PRECISA E POI METTILE IN ORDINE
A = (400 ± 4) s
B = (2000 ± 10) s
C = (50 ± 1) s
D = (460 ± 2) mm
6.
FILL IN THE BLANK QUESTION
30 sec • 9 pts
CALCOLARE L’ERRORE % DELLE SEGUENTI MISURE:
(3.1 ± 0,2) m;
(6,0 ± 0,4) s
7.
FILL IN THE BLANK QUESTION
30 sec • 9 pts
MISURANDO LA MASSA DI UN MATTONE ABBIAMO TROVATO 2,50 kg CON UN ERRORE DEL 4%. CALCOLA L'ERRORE ASSOLUTO.
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Arrotondando il numero 0,5360 a tre cifre significative ottengo:
0,05360 ha già tre cifre significative
0,536
0,53
0,54
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