Complete the following table:
$T e m p . a t 10 A . M .$ $T e m p . a t 2 P . M .$ $C h a n g e i n T e m p .$
$3^{O} C$ $10^{O} C$ ……………………

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Solution

Explanation:
we know that change in temperature means increase or decrease of temperature or difference between the initial and final temperature. And we represent increase in temperature by a positive sign. and decrease of temperature by negative sign.
Therefore difference in temp. $= f i n a l t e m p e r a t u r e - i n i t i a l t e m p e r a t u r e =$ $10^{O} C - 3^{O} C = 7^{O} C$ .
$T e m p . a t 10 A . M .$ $T e m p . a t 2 P . M .$ $C h a n g e i n T e m p .$
$3^{O} C$ $10^{O} C$ $10^{O} C - 3^{O} C = 7^{O} C$

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$T e m p . a t 10 A . M .$	$T e m p . a t 2 P . M .$	$C h a n g e i n T e m p .$
$3^{O} C$	$10^{O} C$	……………………