1990 AMC 8 Problem 5
Attempt Problem 5 of the 1990 AMC 8 below, then check your answer against the professionally curated solution from LIVE by Po-Shen Loh. You can also try the full timed exam, view all 1990 AMC 8 solutions, or check the answer key.
All problems are used with official legal permission of the Mathematical Association of America (MAA).
5.
Which of the following is closest to the product
Answer: B
Small hint:
is very close to
Big hint:
Estimate the product as
Solution:
Since is close to , the product is close to
The choice closest to is .
Thus, the correct answer is B .
Problem 5 in other years
- 1985 AMC 8
- 1986 AMC 8
- 1987 AMC 8
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- 1989 AMC 8
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