Answer:
Step-by-step explanation:
Given the expression
, we are to find the value of with powers of 10.
From the equation:

cross multiply

divide both sides by 7.208

express x in powers of 10

Similarly given the equation 
From the equation:

cross multiply

divide both sides by 7.208

express x in powers of 10

For the equation 
From the equation:

cross multiply

divide both sides by 7.208

express x in powers of 10

I guess you could....it depends on how big the concrete block is
Answer:
Ill try not to sure what I can do though!
Step-by-step explanation:
Yes, because the data can be displayed by a relative frequency compared with the whole.
Answer:
When the line of the graph is going up
Step-by-step explanation:
When the line is going down that means its a exponential decay :)