Questions by Muhammed Refaat

Questions by Muhammed Refaat

The number of endangered species in a jungle decreased from 75 to 30 in one year. What is the percent of decrease in the number of endangered species?

asked Mar 17, 2018

1 answer

2 votes

89.1k views

Which statement best describes Pseudomonas aeruginosa bacteria? (1) they cause mutations in humans. (2) they are easy to control. (3) they cause major infection problems in hospitals. (4) they are deadly

asked Jan 9, 2018

2 answers

4 votes

129k views

There are approximately three hundred million people in the United States. True or False?

asked Nov 4, 2017

1 answer

4 votes

14.1k views

How would you write this in scientific notation 0.2 x 10^6

asked Jul 19, 2017

1 answer

1 vote

12.2k views

64 is 4 times the difference between Sarah's age, a, and 44. Assume Sarah is older than 44

asked Apr 27, 2017

2 answers

1 vote

180k views

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