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cross-feed stop drawing Exam 1 PHY 107-05/06/07 Chapter 1-3 Name 1) In the produ

ID: 1658322 • Letter: C

Question

cross-feed stop drawing Exam 1 PHY 107-05/06/07 Chapter 1-3 Name 1) In the product A-B·C,A has 5 significant figures, B has 2 significant figures, and Chas 3 significant figures. How many significant figures does the product have? A) 2 B) 3 C) 4 D) 5 E) 10 2) In the sum A B+C,A is accurate to 5 decimal places, B is accurate to 2 decimal places, and C is accurate to 3 decimal places. What is the correct number of decimal places in the sum? A) 2 B) 3 C) 4 D) 5 E) 10 3) The number of significant figures in 0.01500 is A) two. B) three. C) four. D) five. 4) What is the product of 12.56 and 2.12 expressed to the correct number of significant figures? A) 27 B) 26.6 C) 26.23 D) 26.627 5) The length and width of a rectangle are 1.125 m and 0.606 m, respectively. Multiplying,your calculator gives the product as 0.68175. Rounding properly to the correct number of significant figures, the area of the rectangle should be written as A) 0.68 m2 B) 0.682 m2 C) 0.6818 m2 D) 0.68175 m2

Explanation / Answer

1) A, the product will have smallest significant figure of A,B,C. here it is 2.

2) A, the sum will have smallest significant figure of A,B,C. here it is 2.

3) c , four

4)b. it should have 3 sig fig

5) b , the significant figure of area = 3