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Identify the mode.
Stems Leaves
4 36679
5 001112 4688
6 1 2 3 3 566 79
7 2578
8 012 2 4 4 5 789
9 133
6 |1 =6.1
The mode of the data shown on the stem-and-leaf plot is

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Suppose there is a simple index of three stocks, stock abc, stock xyz, and stock qrs. stock abc opens on day 1 with 4000 shares at $3.15 per share. stock xyz opens on day 1 with 5000 shares at $4.30 per share. stock qrs opens on day 1 with 6000 shares at $4.60 per share. the price of stock abc on day 8 begins at $3.50. the price of stock xyz on day 8 begins at $3.90. stock qrs opens on day 8 with a price of $4.50 per share. assume that each stock has the same number of shares that it opened with on day 1. what is the rate of change of this simple index over 1 week?

Determine the difference: 3.2 × 1010 – 1.1 × 1010. write your answer in scientific notation.

Abus travels 36 miles in 45 minutes. enter the number of miles the bus travels in 60 minutes at this rate.