The Toronto Zoo used to have 45 goats but now there are only 36 goats. What is the percentage decrease of the number of goats?

80%

Step-by-step explanation:

4 puzzles in 3 hours

step-by-step explanation:

the answer is:

the answer is:

to solve the problem, we need to remember the quotient of power property, it's defined by the following relation:

if we have a quotienf of powers that have the same base, we need to keep the same base and subtract the exponent of the denominator power to the exponent of the numerator power.

so, we are given the expression:

then, calculating we have:

hence, the answer is:

have a nice day!