1988 AMC 8 Problem 8
Attempt Problem 8 of the 1988 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 1988 AMC 8 solutions, or check the answer key.
All problems are used with official legal permission of the Mathematical Association of America (MAA).
8.
Betty used a calculator to find the product She forgot to enter the decimal points. The calculator showed If Betty had entered the decimal points correctly, the answer would have been
Answer: B
Small hint:
Count the total number of decimal places in and
Big hint:
There are decimal places, so place the decimal point that many digits from the right of
Solution:
The factors and have and decimal places, for a total of
Placing the decimal point digits from the right of gives
Thus, the correct answer is B .
Problem 8 in other years
- 1985 AMC 8
- 1986 AMC 8
- 1987 AMC 8
- 1989 AMC 8
- 1990 AMC 8
- 1991 AMC 8
- 1992 AMC 8
- 1993 AMC 8
- 1994 AMC 8
- 1995 AMC 8
- 1996 AMC 8
- 1997 AMC 8
- 1998 AMC 8
- 1999 AMC 8
- 2000 AMC 8
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