Just remember that
1meter=100 cm
81.66m=81.66*100=8166 cm
This is known as "5 take 3", where ordering is not important.

It’s not a statistical question
Answer:
Q = 23
Step-by-step explanation:
Complementary angles add to 90 degrees
67+Q =90
Subtract 67 from each side
67+Q -67 = 90-67
Q = 23
Answer:
B
Step-by-step explanation: