n=9 would be your answer. Hope I helped
ANSWER
C. 64.29
EXPLANATION
The bigger right triangle is similar to the smaller right triangle, therefore

Multiply both sides by 30;

Simplify


We correct to the nearest hundredthth to obtain,

The correct choice is C.
Answer- 8.4
Work =14 3/5 = 8.4
Answer:
After multiplication number will be 
Step-by-step explanation:
We have given numbers which has to multiply using scientific notation
That are 
We have to multiply the above number using scientific notation
We know that when two number are multiplied then there exponent power is being added
So when we multiply
there power will be added and after multiplication number will be 