For this case we must find an expression equivalent to:
By definition of power properties we have to meet:

So, rewriting the expression we have:

Answer:
Option B

70/81 is 7/81+7/9 as a proper fraction
70: 1,2,5,7,10,14,35,<span>70
20: 1,2,4,5,10,20</span>
Answer:
36
Step-by-step explanation:
Use pythagorean theorem
side 1 = 9
side 2 = 12
9^2 + 12^2 = third side ^2
third side = 15
9+12+15 = 36
Hope this helpful!!!!! :)
Move the decimal five places until it is after one number, and because the number got bigger, your exponent is a negative.