Physics, asked by Blizzard9465, 11 months ago

If x =(12.8+-0.4)cm and y=(8.5+-0.5)cm find x+y and x- y

Answers

Answered by Anonymous

3

Explanation:

19.6=x+y.and x-y=4.4

Answered by ppakhrani2gmailcom

1

Explanation:

x + y = (12.8 - 0.4) + (8.5 - 0.5)

= 12.4 + 8

= 20.4

x - y = (12.8 - 0.4) - (8.5 - 0.5)

= 12.4 - 8

= 4.4

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