chem quiz 1
significant or not? 0.004004500 (the first 0)
not significant- leading zeros
significant or not? 0.004004500 (second two 0s)
not significant- leading zeros
significant or not? 0.004004500 (first 4)
significant- all non zero digits
significant or not? 0.004004500 (fourth and fifth 0)
significant- sandwiched zeros
significant or not? 0.004004500 (45)
significant- all non zero digits
significant or not? 0.004004500 (last two zeros)
significant- trailing zeros after decimal
5500, 200, 2950- significant or not?
not- its ambiguous
the results of a calculation cant be more precise than..
the least precise measurement
for multiplication and division, the answer must contain..
the same number of significant figures as there are in the measurement with the fewest sig figs
for addition and subtraction, the answer must have..
the same number of decimal places as there are in the measurement with the fewest number of decimal places