Numerade

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ANSWERED

Paul A.

Numerade educator

Unclaimed Expired Prizes The number of unclaimed expired prizes (in millions of dollars) for lottery tickets bought in a sample of states is shown. Construct a frequency distribution for the data, using 5 classes. $$ \begin{array}{cccc}{28.5} & {51.7} & {19} & {5} \\ {2} & {1.2} & {14} & {14.6} \\ {0.8} & {11.6} & {3.5} & {30.1} \\ {1.7} & {1.3} & {13} & {14}\end{array} $$

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Predict the valence electron molecular orbital configurations for the following, and state whether they will be stable or unstable ions. (a) $\mathrm{Na}_{2}^{2+}$ (b) $\mathrm{Mg}_{2}^{2+}$ (c) $\mathrm{Al}_{2}^{2+}$ (d) $\mathrm{Si}_{2}^{2+}$ (e) $\mathrm{P}_{2}^{2+}$ (f) $\mathrm{S}_{2}^{2+}$ (g) $\mathrm{F}_{2}^{2+}$ (h) $\mathrm{Ar}_{2}^{2+}$

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Teresa Fuston

Numerade educator

A CD storage rack is sold to stores at a wholesale price of $\$ 18$ . a. If a store has a $\$ 13$ markup, what is the retail price of the CD rack? b. Find the percent increase of the markup to the nearest percent.

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INSTANT ANSWER

Identify $\textbf{F}$ in the following reaction sequence. $\textbf{F}$ was converted in several steps to the antidepressant paroxetine (trade name Paxil; see also Problem 9.11).

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David Collins

Numerade educator

Explain the relationship between a main-group element"s lettered group number (the number of the element"s column) and its valence electrons.

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INSTANT ANSWER

Use the following information to answer the next ten exercises. Forty-eight percent of all Californians registered voters prefer life in prison without parole over the death penalty for a person convicted of first degree murder. Among Latino California registered voters, 55% prefer life in prison without parole over the death penalty for a person convicted of first degree murder. 37.6% of all Californians are Latino. In this problem, let: • C = Californians (registered voters) preferring life in prison without parole over the death penalty for a person convicted of first degree murder. • L = Latino Californians Suppose that one Californian is randomly selected. In words, what is C|L?

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Teresa Fuston

Numerade educator

An airplane has only enough gas to fly to a city 200 miles northeast of its current location. If the pilot knows that the city is 25 miles north, how many degrees north of east should the airplane fly?

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INSTANT ANSWER

All of the following increase owner’s equity except for which one? A. gains B. investments by owners C. revenues D. acquisitions of assets by incurring liabilities

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Prabhat Tyagi

Numerade educator

What effect will the following events have on the cash conversion cycle? a. Higher financing rates induce the firm to reduce its level of inventory. b. The firm obtains a new line of credit that enables it to avoid stretching payables to its suppliers. c. The firm factors its accounts receivable. d. A recession occurs, and the firm's customers increasingly stretch their payables.

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Mahendra Kumar

Numerade educator

For the following exercises, find the center and radius of the sphere with an equation in general form that is given. $$ P(1,2,3) x^{2}+y^{2}+z^{2}-4 z+3=0 $$

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Richard A.