Converting to base 10 can be done easily by writing a sort of digit expansion. In base 6, this number literally means

Simplifying this gives the value in base 10.

Answer:
10/13
Step-by-step explanation:
You will first add all the students the mentioned which gives you 13 then since they ask what is the probability it the teacher would pick girls. You know there's 10 girls and 3 boys so it would be 10/13.
Answer:
x = - 26
Step-by-step explanation:
Let the number be x.
According to the question,

Cross multiplying 4 & 3 gives :-

And solving this eqn. gives :-

Verification :-
(putting the value of x = -26 )

Reducing
by 7 gives
.
What are the answer choices in the drop down?