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Author Question: Modern electroplaters can cover a surface area of 55.0 m2 with one troy ounce of gold (volume = ... (Read 59 times)

torybrooks

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on: Jul 28, 2018
Modern electroplaters can cover a surface area of 55.0 m2 with one troy ounce of gold (volume = 1.611 cm3). What is the thickness of the electroplated gold?
 a. 3.64  10-7 m
  c. 1.83  10-6 m
  b. 1.46  10-9 m
  d. 2.93  10-8 m

Question 2

Multiplying a 4 significant figure number by a 3 significant figure number and then dividing the product by a six significant figure number yields a number with how many significant figures?
 a. 7/6
  c. 2
  b. 3
  d. 13


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amanda_14

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Reply #1 on: Jul 28, 2018
Answer to Question 1

D

Answer to Question 2

B


torybrooks

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Reply 2 on: Jul 28, 2018
Gracias!

carojassy25

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Reply 3 on: Yesterday
Wow, this really help

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