THE DECIMAL 104.3 BECOMES 1,043 WHEN MULTIPLIED BY 10. THE SAME NUMBER BECOMES 10.43 WHEN MULTIPLIED BY 0.10 EXPLAIN WHY
2 answers:
Answer:
When we multiply the number 104.3 by 10, the decimal is shifted to one right place. Because whenever a decimal value is multiplied by 10, the decimal is shifted to one place on the right side.
When we multiply 104.3 by 0.10, we can say that we are multiplying it by or simply we are dividing 104.3 by 10.
When we divide any number by 10, we move the decimal to one left place.
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Answer:
0.25
Step-by-step explanation:
72% of courses have final exams and 46% of courses require research papers which means probability of 0.72 for courses that have final exams and 0.46 for courses that require research papers.
31% of courses have a research paper and a final exam, which means probability of 0.31 for both courses with exams and research papers, using Venn diagram approach, find picture attached to the solution.
P(R or E) = P(R) + P(E) - P(R and E), which gives:
P(R or E) = 0.15 + 0.41 - 0.31
P(R or E) = 0.25.
