Sarah is a news anchor. she works 55 hours a week, but she is only on-air about 19% of those hours. approximately how many hours is sarah on-air each week?

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!

i have not got your picture clearly so see it once again