This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Modern electroplaters can cover a surface area of 55.0 m2 with one troy ounce of gold (volume = ... (Read 58 times)

torybrooks

  • Hero Member
  • *****
  • Posts: 500
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


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

amanda_14

  • Sr. Member
  • ****
  • Posts: 342
Reply #1 on: Jul 28, 2018
Answer to Question 1

D

Answer to Question 2

B


torybrooks

  • Member
  • Posts: 500
Reply 2 on: Jul 28, 2018
Excellent

ktidd

  • Member
  • Posts: 319
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

The cure for trichomoniasis is easy as long as the patient does not drink alcoholic beverages for 24 hours. Just a single dose of medication is needed to rid the body of the disease. However, without proper precautions, an individual may contract the disease repeatedly. In fact, most people develop trichomoniasis again within three months of their last treatment.

Did you know?

Stevens-Johnson syndrome and Toxic Epidermal Necrolysis syndrome are life-threatening reactions that can result in death. Complications include permanent blindness, dry-eye syndrome, lung damage, photophobia, asthma, chronic obstructive pulmonary disease, permanent loss of nail beds, scarring of mucous membranes, arthritis, and chronic fatigue syndrome. Many patients' pores scar shut, causing them to retain heat.

Did you know?

Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.

Did you know?

More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.

Did you know?

As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.

Pyrite or “Fool’s Gold Pyrite or “Fool’s Gold
Effects of Cloud Cover and Wind Effects of Cloud Cover and Wind
Place the infant faceup on a soft surface, such as a towel, and remove his or her clothing. With one ... Place the infant faceup on a soft surface, such as a towel, and remove his or her clothing. With one ...
The European Alps have lost ~30% to 40% of surface area and ~50% of volume since the 1850s. The European Alps have lost ~30% to 40% of surface area and ~50% of volume since the 1850s.
Modern house door design Modern house door design
Video: Polysaccharides

For a complete list of videos, visit our video library