Answer:
7.875
Explanation:
4 + 2 + 1 + 1/2 + 1/4 + 1/8
= 4 + 2 + 1 + 0.5 + 0.25 + 0.125
= 6 + 1 + 0.5 + 0.25 + 0.125
= 7.5 + 0.25 + 0.125
= 7.75 + 0.125
= 7.875
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