Answers by Alexander Hein
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Answers by Alexander Hein

Answers by Alexander Hein
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One mole of a chemical element contains approximately 6.02 × 1023 atoms. How many atoms are present in 4.6 × 104 moles of oxygen? Represent the answer in scientific notation. Round so the first factor
answered Jan 9, 2020
4 votes
134k views
The joining of an egg and a soerm
answered Dec 12, 2019
7 votes
174k views
Identify the dependent​ clause(s) in the following sentence.   The new president of the student​ organization, who was elected last​ week, is a political science major. A. The new president of the student
answered Nov 9, 2019
7 votes
129k views
Which of the following statements about education on the Pacific Islands is false? A. Universities are located only on the major islands, including Vanuatu, Fiji, Guam, and Samoa. B. Colonial languages,
answered Sep 7, 2019
2 votes
255 views
Why did Islam spread through much of Southwest Asia during the 650s and 660s?
answered May 30, 2019
0 votes
43.3k views
0.42 * 75.3
answered May 6, 2019
7 votes
8.6k views
Luis purchases a collectible model car from a dealer. The dealer advises him that the car’s value (The car value is $75 now) will grow by about 9% each year. What is the estimated value of the model car
answered May 3, 2019
5 votes
60.1k views
What body of water did pike's first exploration follow?
answered Sep 21, 2018
3 votes
131k views
Please help asap I need to know
answered Sep 1, 2018
6 votes
34.8k views
Read the excerpt below and answer the question. I will wait for her in the yard that Maggie and I made so clean and wavy yesterday afternoon. A yard like this is more comfortable than most people know.
answered Jul 21, 2018
4 votes
222k views
For which system of equations is (–2, 2) the solution? A. 3x – 5y = –16 –2x + 3y = 10 B. –4x + 2y = 6 2x – 3y = 10 C. 4x + 3y = 2 5x + 4y = –2 D. 6x + 5y = –2 –8x + 5y = –6
answered Jun 11, 2018
5 votes
171k views
louise skip counts by 4 on a number line to find 5×4.How many jumps should she draw on the number line?
answered Jun 6, 2018
7 votes
1.7k views
Most high schools have all of the following persons who can provide help except a: A. School nurse B. School psychiatrist C. School psychologist D. Guidance counselor
answered Mar 12, 2018
5 votes
144k views
Which term describes a possible explanation of, or answer to, a scientific question that is based on prior knowledge or research and that is testable?
answered Jul 12, 2017
5 votes
219k views
Animals return water to the air through
answered May 9, 2017
2 votes
49.3k views
PLSSS HELP!!! The probability of a person getting a job interview is 0.54. What are the odds against getting the interview
answered Jan 28, 2017
6 votes
221k views
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