2017 AMC 8 Problem 1

Attempt Problem 1 of the 2017 AMC 8 below, then check your answer against the video solution and professionally curated solution from LIVE by Po-Shen Loh. You can also try the full timed exam, view all 2017 AMC 8 solutions, or check the answer key.

All problems are used with official legal permission of the Mathematical Association of America (MAA).

1.

Which of the following values is largest?
2+0+1+7 2+0+1+7
2×0+1+7 2 \times 0 +1+7
2+0×1+7 2+0 \times 1 + 7
2+0+1×7 2+0+1 \times 7
2×0×1×7 2 \times 0 \times 1 \times 7
Answer: A
Concepts:order of operations
Small hint:
Evaluate each expression using the usual order of operations.
Big hint:
Any expression that multiplies by 00 will lose part or all of its value.
Video solution:
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Written solution:
Option (A)(A) evaluates to 10.10.
Option (B)(B) evaluates to 0+1+7=8.0 + 1 + 7 = 8.
Option (C)(C) evaluates to 2+0+7=9.2 + 0 + 7 = 9.
Option (D)(D) evaluates to 2+0+7=9.2 + 0 + 7 = 9.
Option (E)(E) evaluates to 0.0.
Thus, A is the correct answer.
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