87.5% of 64 is 0.875 • 64 = 56
Hope this helps.
From the definition of logarithm:

if

(1)
The equation in our problem is:

If we use definition (1), this equation becomes

Let's solve it:




therefore, the correct answer is C).
Answer:
1×10^8
Step-by-step explanation:
First, multiply 1 million by 100 because 1 dollar is worth one hundred pennies. In total, it takes 100000000 pennies for 1 million dollars. Then, because there are 8 zeros, it would be 1 times 10 to the 8th power.
I am pretty sure it is 2, since you want either x to equal 0 so 4 for the first and 2 for the second and then you subtract to get 2