chapter 2 Operations with Integers - Part 7

A thermal chamber temperature drops by 4°C per hour. If it was at 12°C initially, what will be the temperature after 7 h...

Type: MCQ • Marks: 1
A thermal chamber temperature drops by 4°C per hour. If it was at 12°C initially, what will be the temperature after 7 hours?
Options
A. -16°C
B. 40°C
C. -28°C
D. 16°C
Explanation
Temperature change = 7 × (-4) = -28°C. Final temp = 12 + (-28) = -16°C.
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