The decimal expansion of 7/8 is:
A0.875
B0.7
C0.78
D0.857...
Answer & Solution
Correct answer: A. 0.875
7 ÷ 8 = 0.875. Since 8 = 2³ contains only the prime 2, this decimal terminates. Multiply num and denom by 5³ = 125: 7 × 125 / 8 × 125 = 875/1000 = 0.875.
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