SOLUTION: please help me if any one can...............
(if 10^x/10^y=100,then x.......options are
(A)Y+2
(B)Y-2
(C)2-Y
(D)2Y
(E)Y/2
please explain me too how you did it
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-> SOLUTION: please help me if any one can...............
(if 10^x/10^y=100,then x.......options are
(A)Y+2
(B)Y-2
(C)2-Y
(D)2Y
(E)Y/2
please explain me too how you did it
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Question 924093: please help me if any one can...............
(if 10^x/10^y=100,then x.......options are
(A)Y+2
(B)Y-2
(C)2-Y
(D)2Y
(E)Y/2
please explain me too how you did it Answer by ewatrrr(24785) (Show Source):
You can put this solution on YOUR website! ***
...
10^x/10^y=100
10^(x-y) = 10^2 ****
x-y = 2 (Same Base, exponents equal Rule)
x = y + 2
....
re TY
What allows us to say: x-y = 2 Follows the Rules of Exponents.
10^(x-y)=10*10 The idea of "cut 10 on both Sides"
Does NOT follow the Rules for Exponents. (Don't go there Please :)
......Some Other Rules of Exponents: