Answer:
~~20/50 in simplest form is 2/5.
~~20/50 can be reduced to many smaller fractions. Dividing the numerators and denominators with the greatest common factor (GCF) will result into the simplest form of the fraction. Factors that are not GCFs will result the fraction into a fraction equivalent to the other.
~Examples: 20/50 divided by 2 is 10/25. 20/50 divided by 5 is 4/10.
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Answer: The correct option is (C) 
Step-by-step explanation: We are given to choose the correct simplification for the following expression :

We will be using the following property of exponents :

So, the simplification of expression (i) is as follows :

Thus, the correct simplification of the given expression is 
Option (C) is CORRECT.
Answer:
1:2
Step-by-step explanation:
4:8 chances that you will spin a 5 or more.
8:16 chances that you will spin it two times in a row.