The postal system has gone to a nine-digit zip code. if the fifth and sixth digit cannot be a 0 and the ninth digit must be even, how many zip codes can there be?

according to egenuity the answer is

step-by-step explanation:

d. 344.22

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:

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