Answer:
turn the decimal into a whole number by multiplying by 10, 100 (what you do to one number you must do to the other)
multiply both by 10 it then becomes
540/75 = 7.2
it's easier to divide whole numbers and is the same answer as 54/7.5
Answer:

Step-by-step explanation:
Given: 
To find: average rate of change of the function
over the interval
and 
Solution:
Take 
Find 

Average rate of change of the function 

Answer:
x=5.5
Step-by-step explanation:
We can solve this equation by using the various properties and PEMDAS.
First, we would want to subtract 18 on both sides, to even out the equation.
The result is -7x=-38.5
Now we can isolate the x by dividing both sides by -7.
-38/-7=5.5
Thus, x=5.5
Hope this helps!
Answer:
Step-by-step explanation:
The exponent of 10³ is 3. To multiply a number by 10³, move the decimal point two places to the right:
42.12 × 10³ = 42120.
Answer: 3.45
Step-by-step explanation: