In Marvel comics, T'Challa (aka The Black Panther) as the king of Wakanda is estimated to be worth 90 trillion (9 x 1013) dollars. Tony Stark (aka Iron Man) is only worth about 30 billion (3 x 1010) dollars. If Tony Stark could somehow add a 10% increase in his wealth to his current worth each year ($30 billion, $63 billion, $99.3 billion, etc.), how many years would it take to reach T'Challa? Round your answer to the nearest year.​

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1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?

Someone answer this asap rn for ! a discount store’s prices are 25% lower than department store prices. the function c(x) = 0.75x can be used to determine the cost c, in dollars, of an item, where x is the department store price, in dollars. if the item has not sold in one month, the discount store takes an additional 20% off the discounted price and an additional $5 off the total purchase. the function d(y) = 0.80y - 5 can be used to find d, the cost, in dollars, of an item that has not been sold for a month, where y is the discount store price, in dollars. create a function d(c(x)) that represents the final price of an item when a costumer buys an item that has been in the discount store for a month. d(c(x)) =