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1.6 x 2 |
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Answer» ONG>Step-by-step explanation: 13²=169 160=(13-Δ)²=169–26Δ+Δ² 9≈26Δ Δ≈9/26≈0.346 √160≈13–0.346≈12.65 √1.6≈1.265 |
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