Answers by Li Zheng
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Answers by Li Zheng

Answers by Li Zheng
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0.024 is how many significant figures?
answered Jan 8, 2021
2 votes
94.1k views
Security on a network not only means being able to prevent a hacker from breaking into your computer but also includes being able to recover from temporary service problems or from natural disasters. a.
answered Oct 22, 2020
6 votes
32.5k views
Example 2.3.6. Consider a fish tank that initially contains 150 liters of water with 20 grams of salt (pollutant) dissolved in it. The salt concentration in the tank needs to be increased from 20/150 grams
answered Jan 26, 2020
5 votes
179k views
Refurbished phone 30% off now only 78£ how much was the phone before
answered Jan 9, 2020
3 votes
9.1k views
There were 21 pumpkins in a garden patch. Children picked 46 of the pumpkins. How many pumpkins did the children pick?
answered Jan 7, 2020
3 votes
47.2k views
Identify the three main regions of Venezuela.
answered Jul 14, 2019
6 votes
145k views
An unopened bag of candy weighed 5 1/2 lb. After opening the bag and eating some of the candy, the bag weighed 2 1/4 lb. How many pounds of candy were eaten?
answered May 3, 2019
1 vote
228k views
Which risk factor for suicide is likely to cause for cluster suicides
answered Apr 30, 2019
5 votes
139k views
What is the value of Arc tan 1?
answered Jan 3, 2019
3 votes
26.6k views
jack is 4 times as old as lacy. 9 years from now the sum of their ages will be 68. how old are they now?
answered Jun 15, 2018
4 votes
67.7k views
Until the 1600s, people who investigated problems related to our understanding of the natural world were called
answered Mar 5, 2018
3 votes
116k views
Select the physical barriers. economics mountains religion politics oceans deserts
answered Jan 21, 2018
6 votes
91.9k views
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