Work individually to answer the following questions. Lab instructors will give a

Question

Work individually to answer the following questions. Lab instructors will give assistance if you don't understand what a question is asking. Hand in to your lab instructor before leaving. 1. (3 pts) State the number of significant figures in the following values. a. 100,000 d. 1.000 x 10 e. 0.001010 x 10 f. 0.0100 b. 8,300 c. 1,000. 2. (3 pts) Perform the calculations, include units when necessary. d. 999.0 100.0000 g 1.00 g a. + 10000 e. 1.0 x 100.00 OO 1.00 mL ML l c , 00 f. 0.00100 x 1.0-_o 0.0010+10.000 = 3. (2 pts) Express each of the following numbers in scientific notation with the correct number of

Explanation / Answer

Answer 1.

a) 100000 = 6 significant digits.

b) 8300 = 4 significant digits

c)1000. = 4 significant digits

d)1/1000= .001= 1 significant digit

[ leading zeros are not significant]

[trailing zeros are significant]

[All non zero digits are significant]

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