First, rewrite the equation 
with the base equal to 5. Note that:
Then
Since the bases are equal, you have that powers are equal too:
Answer: 
-23-(-113)
Subtract -113 from -23. This would also be the same as adding 113 to -23 because the two negative signs are equal to one positive sign.
Final Answer: 90
Answer:
perimeter = 2*a = 2*54 mm = 108 mm
Step-by-step explanation:
For any geometrical figure, the perimeter is the sum of all his sides.
In a rectangle figure, have four sides, two of them equals: a (upper side), b (lateral side), so the perimeter will be:
perimeter = a+a+b+b = 2*(a+b)
A square is a particular case of rectangle figure, in which: a = b.
So, for a square:
perimeter = 2*(a+a) = 2*(2a) = 4*a
Answer:
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Step-by-step explanation:
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