It will take 526.8817.... seconds for the light to reach the planet.
Her estimate is not reasonable.
Since she estimated 69%, you could do either of these options. You could...
A. Divide 242 (or .5) to show how much half off would be, then compare her estimate with half of 242 (121). OR...
B. Simply divide 242 by 69% (.69) and compaor her estimate to the exact amount (166.98).
I hope this helps!
Answer:
C
Step-by-step explanation:
Educated guess
Answer:
D. No, because group A is already the control group.
