Answer:
There are 16 Oak tree in the forest.
Step-by-step explanation:
Given: There are 4 Oak tree on every 10 pine trees.
There are total 24 more pine tree than Oak tree.
Using the ratio of trees to find the number of trees.
Lets assume there are total number of Oak tree be "x".
∴ Total number of Pine trees will be 
We know the ratio of Oak to Pine tree is 4:10 or 
⇒
Multiplying both side by 
⇒ 
Using distributive property of multiplication, distributing 4 with x and 24.
⇒ 
Multiplying both side by 10
⇒ 
subtracting both side by 4x
⇒ 
dividing both side by 6
⇒
∴ 
Hence, There are 16 Oak trees in the forest.
Answer: 7.64 x 10^6
Change the number to be a number between 1 and 10 multiplied by a power of 10. In this case, the decimal point is moved 6 places to the right when changing it to scientific notation, which is where you get 10^6.
I know I'm in middle school but i can help you.The answer is 12 your correct.
I think that the answer is a hoped i helped