Question

the length of two bodies measured by a metre scale are (20±0.5)cm and (15±0.2)cm.calculate the sum of these lengths and difference between these lengths​

Answer 1

Answer:

Answer:

1) (20+-0.5)+(15+-0.2)

=(20-0.5)+(15-0.2)

=19.5+14.8

=34.3

2)(20-0.5) - (15-0.2)

=19.5 - 14.8

=4.7

Answer 2

Answer:

Hi Chechi

Malayaliye kandathil sandhosham

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Explanation:

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