WRITE THE DECIMAL FORM OF 1/2 + 1/ 2² + 1/ 2³ *
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Given : 1/2 +1/2² + 1/2³
To Find : Decimal form
Solution:
1/2 +1/2² + 1/2³
= ( 2² + 2¹ + 1)/2³
= (4 + 2 + 1)/2³
= 7/2³
Multiplying and dividing by 5³
= 7 * 5³ / (2³ * 5³)
= 7 * 125/ (10³)
= 875 / 1000
= 0.875
decimal form of the sum is 0.875
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