Author Question: What is the product of 12.56 and 2.12 expressed to the correct number of significant figures? A) ... (Read 151 times)

rlane42

  • Hero Member
  • *****
  • Posts: 594
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

Question 2

The magnetic field of an electromagnetic wave has a peak value of 5.0  10-10 T.
 
  What is the intensity of the wave? (c = 3.0 x 108 m/s, c = 3.00  108 m/s, 0 = 4  10-7 T  m/A, 0 = 8.85  10-12 C2/N  m2)
  A) 1.0  10-13 W/m2
  B) 1.5  10-5 W/m2
  C) 3.0  10-5 W/m2
  D) 2.0  10-13 W/m2
  E) 7.5  105 W/m2



Mochi

  • Sr. Member
  • ****
  • Posts: 300
Answer to Question 1

B

Answer to Question 2

C



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

Did you know?

Approximately 500,000 babies are born each year in the United States to teenage mothers.

Did you know?

HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.

Did you know?

Blastomycosis is often misdiagnosed, resulting in tragic outcomes. It is caused by a fungus living in moist soil, in wooded areas of the United States and Canada. If inhaled, the fungus can cause mild breathing problems that may worsen and cause serious illness and even death.

Did you know?

Vital signs (blood pressure, temperature, pulse rate, respiration rate) should be taken before any drug administration. Patients should be informed not to use tobacco or caffeine at least 30 minutes before their appointment.

For a complete list of videos, visit our video library