Answer:
The last expression is correct
Step-by-step explanation:
We have been given the following expression for simplification;

The bases of the two expressions are the same. They are both equal to 4. When multiplying numbers with the same base, we simply add their exponents. In this case our exponents are;
4 and -9
adding them we have;
4 + (-9) = -5
The simplified expression thus becomes;

8 / 10 = 1/5 = 0.2
Mario's hourly pay rate increased by <span>$</span>0.2
If we multiply or divide both sides of an inequality by a negative number, you have to flip the inequality. Hope this helps :)
0 because companies A says he gets 80.000 dollars per year with a 1,000 dollars increase every year so companies B will higher have to wait 0 years to be higher than companies A
Find the common denominator of 3 and 6. which is 6. now just subtact 2 and 1 which is 1. ur answer is 1/6