CHEM 103 MODULE 1 TO 6 EXAM LATEST QUESTIONS &
CORRECT ANSWERS PORTAGE LEARNING|COMPLETE AGRADE
how close a measurement is to the true value - ANSWER: accuracy
how closely repeated measurements agree with each other - ANSWER: precision
all nonzero digits are ______ - ANSWER: significant
zeroes that appear between nonzero digits are _________ - ANSWER: significant
leading zeros are _______ - ANSWER: not significant
trailing zeros are _____ with decimal point - ANSWER: significant
trailing zeros are ______ without decimal point - ANSWER: not significant
number of sig figs in calculated result is the measurement with the _______ sig figs -
ANSWER: fewest
meter - ANSWER: m
kilogram - ANSWER: kg
second - ANSWER: s
kelvin - ANSWER: k
1kg = - ANSWER: 2.2lbs
1kg = - ANSWER: 1000g
mega - ANSWER: 10^6m=1M
kilo - ANSWER: 10^3m=1km
centi - ANSWER: 1m=10^2cm
milli - ANSWER: 1m=10^3mm
micro - ANSWER: 1m=10^6Mm
nano - ANSWER: 1m=10^9nm
Angstrom - ANSWER: 1m=10^10A
CORRECT ANSWERS PORTAGE LEARNING|COMPLETE AGRADE
how close a measurement is to the true value - ANSWER: accuracy
how closely repeated measurements agree with each other - ANSWER: precision
all nonzero digits are ______ - ANSWER: significant
zeroes that appear between nonzero digits are _________ - ANSWER: significant
leading zeros are _______ - ANSWER: not significant
trailing zeros are _____ with decimal point - ANSWER: significant
trailing zeros are ______ without decimal point - ANSWER: not significant
number of sig figs in calculated result is the measurement with the _______ sig figs -
ANSWER: fewest
meter - ANSWER: m
kilogram - ANSWER: kg
second - ANSWER: s
kelvin - ANSWER: k
1kg = - ANSWER: 2.2lbs
1kg = - ANSWER: 1000g
mega - ANSWER: 10^6m=1M
kilo - ANSWER: 10^3m=1km
centi - ANSWER: 1m=10^2cm
milli - ANSWER: 1m=10^3mm
micro - ANSWER: 1m=10^6Mm
nano - ANSWER: 1m=10^9nm
Angstrom - ANSWER: 1m=10^10A
