X - <span>the cost of cell phone service before tax is added
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You would set it up like this: 150x + 280 = 255x The you just solve.
Answer:
5^-4
1 / 5^4
Step-by-step explanation:
5^3 / 5^7
We know a^b / a^c = a^(b-c)
5^(3-7)
5^-4
If you are not allowed to have negative exponents
We know a^-b = 1/a^b
1 / 5^4
2 gallons is the correct answer because of using multiplication make my answer the brainliesr