Suppose the probability of being picked first in your class is 0.05. The odds of being picked first expressed in form of a: b is 1 : 19.
A probability is a number that represents the possibility or chance that a specific event will occur.

From the given information;
- Let assume the total number of people in the class is whole = 1
∴
The odds of being picked first can be computed as:



= 1 : 19
Therefore, the odds of being picked first in terms of a: b is 1 : 19
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X + x - x is x
y + y + y is 3y
-z + z - z is -z
x + 3y
Answer:
D. Tenths
Step-by-step explanation:
Because when you go behind the decimal, it starts out with tenths, then hundredths, and then thousandths. And 6 in the 1st spot behind the decimal so it's tenths.
hope I helped.
12 times ten equals one hundred twenty