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1. An atom of nitrogen with a mass number of 15 and an atomic number of 7 has a total of neutrons. 2. An atom of potassium with a mass number of 39 and an atomic number of 19 has a total of neutrons 13 17 18 15 19 20 24 35 3. An atom of aluminum with a mass number of 24 and an atomic number of 13 has a total of neutrons. 4. An atom of oxygen with...
Lab 15 Review esults Date Section LE 15-1 Cell Counts quare number Cell number (live) Cell number (dead) % Viability 1 2 3 Record your cell counts in Table 15.1. Do not calculate the % viability yet. WHY must you count the number of cells in at least four different squares? ivity 3: Calculating the number of cells per milliliter You have counted the number of cells in 0.004 mm of sample. This is not your final answer. Remember: your...
2. [15% Convert the number 1010 to number systems with base of 11, 1, 21. Show all work 3. [25% Convert 173 from decimal number system to a number system with base 11/5 (eleven fifths) 2. [15% Convert the number 1010 to number systems with base of 11, 1, 21. Show all work 3. [25% Convert 173 from decimal number system to a number system with base 11/5 (eleven fifths)
Find the mean of the given probability distribution. 15) 15) The number of golf balls ordered by customers of a pro shop has the following probability distribution. 3 0.14 6 0.25 90.36 12 0.15 15 0.10
15 balls with the number 1-15 printed on each one, are shuffled in a lottery machine. The machine draws 6 balls randomly, one at a time. What is the probability that the first 3balls are even and the last 3 balls are odd?
Code Example 9-2 number = float(input("Enter a number: ")) result1 = number * .15 result2 = result1 / 3 result3 = result1 + result2 print(result3) Refer to Code Example 9-2. When this code is executed, which of the variables might contain approximate results instead of accurate results? a. result1 b. result2 and result3 c. result1, result2, and result3 d. result1 and result2
(Python) (15 points) Fundamental theorem of number theory states that every natural number n can be expressed as a product of prime numbers, called its prime factorization. E.g. 15 3 x 5,20 2x 2x5. You are required to write a Python function prime factors(n) which accepts a natural number as the input argument and returns a list of all the prime factors of n in ascending order. (Use 20, 666, 4020 to test your program.) 2.
number 15 show work 6-1 The Standard Normal Dis 15. 0.9265 0.2061 Z 0
15.Consider an experiment that consists of 2 rolls of a balanced die. If X is the number of 4s and Y is the number of 5s obtained in the 2 rolls of the dic, find the joint probability distribution of X and Y; (1) P(X,Y)є A), where A is the region {(x, y)|2x+y<3} (2) 15.Consider an experiment that consists of 2 rolls of a balanced die. If X is the number of 4s and Y is the number of 5s...
The sum of three numbers is 15. The sum of twice the first number,4 times the second number, and 5 times the third number is 52. The difference between 6 times the first number and the second number is 40. Find the three numbers. first number: second number: third number: