Ethan decided to give 10% o
f his monthly income to charity this month he wrote the calculation 0.4x0.1 explain why this calculation appropriate and finish it for him how much money should he give this month

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!