A guitar was originally priced at $90, but Natalie waited to buy it until the guitar was on sale for 5% off. If she paid 4% sales tax on the sale price, how much did she pay in total?

They paid $89.1 for the guitar.

Step-by-step explanation:

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step-by-step explanation:

x^(1/6) · x^(1/6) · x^(1/6)   ·x^(1/6) = x^(4/6)   since we add the exponents

4/6 can be simplified to 2/3

the simplified form is x^(2/3)