If the temperature drops from 7 degrees F to -17 degrees F, by how much did the temperature decrease?

The temperature decreased by -10F

Step-by-step explanation:

Just subtract

7F-17F

-10F

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the answer is:

the correct option:

b.

to solve the problem, we need to remember how to operate to simplify exponential expressions using the logarithms.

we are given the equation:

then, using placing logarith with base 7 on both sides of the equation, we have:

so, rounding the obtained result to two decimal places (nearest hundreth), we have:

hence, we have that the correct option:

b.

have a nice day!