Answer:

Step-by-step explanation:
It is required to find the value of the missing exponent in the below value i.e.

Let the exponent is x.
Any number can be written in the scientific notation as :

a is a real number
b is any integer
In this case, the decimal is applied before 8 numbers. It means that the value of x is 8.
15 because 3/4 is equivalent to 75% and 75% of 20 is 15.
Answer:
0.0138888888889 or
1/72
Step-by-step explanation: The answer can be found in Desmos
Answer:
Costa Rica
Step-by-step explanation: