The grand canyon is approximately 2^9 km long. mariner valley is a canyon on mars that is approximately 2^12 km long. about how many times longer is mariner valley than the grand canyon

The frequency table shows the results of a survey comparing the number of beach towels sold for full price and at a discount during each of the three summer months. the store owner converts the frequency table to a conditional relative frequency table by row. which value should he use for x? round to the nearest hundredth. 0.89 0.90 0.92 0.96