Multiple Choice
Solve the problem. Express the answer in scientific notation to two decimals unless requested otherwise.
-A light-year is the distance that light travels in one year. Find the number of miles in a light-year if light travels miles/second.
A)
B)
C)
D)
Correct Answer:

Verified
Correct Answer:
Verified
Q17: Add.<br>-<img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8504/.jpg" alt="Add. - A)
Q18: Collect like terms.<br>-<img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8504/.jpg" alt="Collect like terms.
Q19: Multiply mentally.<br>-<img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8504/.jpg" alt="Multiply mentally. -
Q20: Collect like terms.<br>-<img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8504/.jpg" alt="Collect like terms.
Q21: Evaluate.<br>-<img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8504/.jpg" alt="Evaluate. - A) 16
Q23: Multiply mentally.<br>-<img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8504/.jpg" alt="Multiply mentally. -
Q24: Convert to decimal notation.<br>-<img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8504/.jpg" alt="Convert to
Q25: Collect like terms.<br>-<img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8504/.jpg" alt="Collect like terms.
Q26: Solve the problem. Express the answer in
Q27: Multiply mentally.<br>-<img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8504/.jpg" alt="Multiply mentally. -