Answer: 
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Step-by-step explanation:
1) Simplify both sides of the inequality:

2) Subtract
from both sides:

3) Simplify:

4) Subtract
from both sides:

5) Simplify:

6) Divide both sides by
:

7) Simplify:

The population of California is 3.88 x 10^7 - 5.84 x 10^5 = 3.82 x 10^7 more than the population of Wyoming. Alternatively the population of California is 3.88 x 10^7 / 5.84 x 10^5 = 66 times the population of Wyoming.
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The main rules that we use here are :
i)

for nonnegative values a and b.
ii)

.
Thus, first 'decompose' the numbers in the radicals into prime factors:

.
By rule (i) we write:

.
We can collect these terms as follows:

, and by rule (ii) we have:

Answer:

.
51*11=561 615-561=54 54/6=9
They sold 9 discounted pizzas.