Answer: -15 degrees.
Step-by-step explanation:
1. Multiply 3 by 5
3 x 5 = 15
Your answer is 15
Multiplication is the process of multiplying. The change in temperature at the end of those 5 hours is 15 degree.
Multiplication is the process of multiplying, therefore, adding a number to itself for the number of times stated. For example, 3 × 4 means 3 is added to itself 4 times, and vice versa for the other number.
Given that the outdoor temperature declines 3 degrees each hour for 5 hours. Therefore, the total change in outdoor temperature at the end of those 5 hours is,
Total change in outdoor temperature = 3 degree per hour × 5 hours
= 15 degree
Hence, the change in temperature at the end of those 5 hours is 15 degree.
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