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If A = (12.0 pm0.1)cm and B = (8.5pm 0.5...

If A = `(12.0 pm0.1)`cm and B = `(8.5pm 0.5)` cm, find the value of (A-B).

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A = `(12.0 pm 0.1)` cm
B = `(8.5 pm 0.5)` cm
A-B = `[ (12.0 pm 0.1) - (8.5 pm 0.5) ]` cm
[12.0 -8.5] `pm` (0.1 +0.5)
=(3.5 `pm` 0.6) cm
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CHHAYA PUBLICATION-MEASUREMENT AND DIMENSION OF PHYSICAL QUANTITY -CBSE SCANNER
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