Trey started to run on a treadmill after setting its timer for 99 minutes. The display says that he has finished 78% of his run. How many minutes have gone by? Round your answer to the nearest tenth.

77.2%

Step-by-step explanation:

99x0.78= 77.22

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!