Answer to Question #203940 in Physics for Rethabile

Question

7. The speed of light to five significant figures is 2.9979 x 108 m/s. Write the speed of light to three significant figures. (2)

A) 3 x 1010 m/s C) 0.03 x 108 m/s E) 3.00 x 108 m/s

B) 2.99 x 108 m/s D) 0.2 x 107 m/s

8. The first several digits of π are known to be π = 3.1415926535 8979…. What is the value of π to seven significant figures?  (2)

A) 3.141593 C) 3.141592 E) 3.141594       B) 3.1415926 D) 3.14159

Answer 1

Q7 Answer E) $3.00 \times 10^8$  m/s

Q8 Answer A) $3.141593$