Measuring Volume B.1 Volume of a liquid (Include units for every measurement) B.

Question

Measuring Volume B.1 Volume of a liquid (Include units for every measurement) B.2 volume of a test tube Which cylinder is the best choice for measuring the volume of water in a test tube? Explain. B.3 volume of a solid by volume displacement Volume of water ___________ Volume of water and submerged solid ___________ Volume of solid ___________ Measuring Mass Item Mass Number of Significant figures C.1 Beaker_________ ___________ Stopper ___________ ___________ Evaporating dish ___________ ___________ C2 unknown# __ _____ ______ State the number of significant figures each of the following measurements: 4.5 m ___________ 204.52 g ___________ 0.0004 1.___________ 625,000 mm ___________ 805 lb ___________34.80 km ___________ Indicate the estimated digit each the following measurements: 1.5 cm ___________ 4500ml ___________ 0.0782 m ___________ 42.50 g ___________

Explanation / Answer

Ans :- 3 ) The number of significant figures in each of the following measurement is as follows;-

a) 4.5m = 2 significant figure

b) 0.0004L = 1 significant figure

c) 204.25 g = 5 significant figure

d) 805 Ib = 3 significant figure

e) 625000mm = 625x103 mm = 3significant figure

f) 34.80Km = 4 significant figure

Ans 4)Estimated digit is the last digit of a number

Therefore,

Estimated digit in each of the measurement:-

1.5 cm = 5

0.0782m= 2

4500mi = 0

42.50g=0

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