Answer:
Step-by-step explanation:
The answer should be 5 egg cartons
The primary difference between the two is an equals sign. An equation has a left side, a right side and an equals sign separating the sides. Equations also may have solutions. An expression, by contrast, doesn't have any 'sides' .
Answer:

Step-by-step explanation:
Given


Required
Find y when 
We have:

Express as equation

Solve for k

When 


When
, we have:



Step-by-step explanation:
240,000 = 24 x 10^4
24 followed by 4 zeros = 24 x 104
Just make the number of zeroes be the exponent for 10
24 = 24 x 10^0
240 = 24 x 10^1
2400 = 24 x 10^2
24000 = 24 x 10^3
240,000 = 24 x 10^4 miles