$Use\\\\(ab)^n=a^nb^n\\\\ (a^n)^m=a^{n\cdot m}\\-------------------\\\\\left(r^{-3}s^2t\right)^4=\left(r^{-3}\right)^4\left(s^2\right)^4(t)^4=r^{(-3)(4)}s^{(2)(4)}t^4\\\\=\boxed{r^{-12}s^8t^4}\to\boxed{\dfrac{s^8t^4}{r^{12}}}$

3 0

3 years ago

A pair of jeans at a store in Seattle costs $220. Since the jeans are from last season, they are 15% off. Because of a Thanksgiv

Lostsunrise [7]

The total percent discount on the jeans is 35% amounting to $77

<h3>Discount</h3>

Cost of a pair of jean = $220

Discount from last season = 15%
Discount from Thanksgiving day = 20%

Total percentage discount = 15% + 20%

= 35%

Amount of discount = Total percentage discount × Cost of a pair of jean

= 35% × $220

= 0.35 × 220

= $77

Therefore, the total percent discount on the jeans is 35% amounting to $77

Learn more about discount:

brainly.com/question/7459025

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6 0

2 years ago