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Sagot :
Answer:
0.87
Step-by-step explanation:
The average daily change is the sum of daily changes divided by the number of days:
(3.24 -3/8 -0.15 +7/9)/4
= (3.492777...(repeating 7))/4
= 0.87319444...(repeating 4)
Rounded to hundredths, this is ...
0.87 °C average daily change
_____
Any calculator will compute the value of the expression we started with.

[tex]\qquad\qquad\huge\underline{{\sf Answer}}♨[/tex]
We have been given the temperature of a city over five days, and we have to calculate average daily change in temperature of the city.
[tex]\qquad \tt \dashrightarrow \: \{3.24 + ( - \frac{3}{8} ) + ( - 0.15) + \frac{7}{9} \} \div 4[/tex]
[tex]\qquad \tt \dashrightarrow \: \{3.24 - 0.375 - 0.15+ 0.78 \} \div 4[/tex]
[tex]\qquad \tt \dashrightarrow \: \{4.02 - 0.525 \} \div 4[/tex]
[tex]\qquad \tt \dashrightarrow \: \{3.495\} \div 4[/tex]
[tex]\qquad \tt \dashrightarrow \:\approx0.874 \degree c[/tex]
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