Print Significant Figure Qualifying Quiz T1 (you need 100% on this to access the Significant Figures Credit Quiz) flashcards

10 notecards = 3 pages (4 cards per page)

front 1 The number 0.230 has ____ significant figures. 1 2 3 4 5	back 1 3 Hint: Leading zeroes are never significant, trailing zeros are significant if there is a decimal point in the number.
front 2 What is the answer to the following equation with correct significant figures? 15000 x 1.26570 = ______ 20000 18985.5 18990 19000 18986	back 2 19000 Hint: With multiplication, the number of significant figures in the answer is given by the smallest number of significant figures.
front 3 What is the answer to the following equation with correct significant figures? 234 + 1.26 = ______ 234 235.2 235 235.3 235.26	back 3 235 Hint: With addition, the number of significant figures in the answer is given by the smallest number of decimal places.
front 4 What is the answer to this conversion problem, with correct significant figures? Convert 13.4 ^oC to K (K = 273.15 + C). 287 K 290 K 286.55 K 286.6 K 286.5 K	back 4 286.6 K Hint: This is a temperature conversion problem, so we need to use addition rules. The answer needs as many decimal places as what you are starting with.

front 5 The number 25.00 has ____ significant figures. 1 2 5 3 4	back 5 4 Hint: Leading zeroes are never significant, trailing zeros are significant if there is a decimal point in the number.
front 6 What is the answer to the following equation with correct significant figures? 234.1 + 1.26 = ______ 235.36 235 235.3 235.4 236	back 6 235.4 Hint: With addition, the number of significant figures in the answer is given by the smallest number of decimal places.
front 7 What is the answer to this conversion problem, with correct significant figures? Convert 5.000 m to cm 500.000 cm 500 cm 500.00 cm 500. cm 500.0 cm	back 7 500.0 cm Hint: The answer needs as many significant figures what you start with.
front 8 The number 2346 has ____ significant figures. 1 2 3 4 5	back 8 4 Hint: All non-zero digits are significant.

front 9 What is the answer to the following equation with correct significant figures? 0.23400 x 1.267000 = ______ 0.296478 0.29648 0.297 0.30 0.2965	back 9 0.29648
front 10 What is the answer to this conversion problem, with correct significant figures? Convert 5.0 lb to g 2270 g 2267.96 g 2267.962 g 2268 g 2300 g	back 10 2300 g Hint: The answer needs as many significant figures what you start with.