7^8 / 7^6 = 7^2 = 49
The formula is [a^m / a^n = a^m-n]
I hope this helped :)
According to the information given above, the answer is: You hear that a storm is moving at 15 km/h north. You have been given the storm's <span>velocity</span>.
Answer:
Always
Step-by-step explanation:
Anything to the power 0 is 1
Answer: Maria has 10 bills of 5€ and 10 bills of 10€.
She has a total of 150€.
Step-by-step explanation:
Let be "f" the number of 5€ bills that Maria has and "t" the number of 10€ bills that Maria has.
Set up a system of equations:

Use the Substitution method to solve the system of equations:
1. Solve for "f" from the first equation:

2. Substitute the equation obtained into the second equation and solve for "t".
Then:

3. Substitute the value of "t" into the equation
and evaluate:

Therefore, Maria has 10 bills of 5€ and 10 bills of 10 €.
So the total amount of money she has, is:

She has a total of 150€.