The document presents 20 exponential equations and asks the reader to solve for the value of R in each equation. Some example equations included are 3x-5 = 271-x with R=2, 101-x = 1/10 with R=2, and 9x-2 = 27 with R=11/4. The value of R represents the solution to the exponential equation.

1. MATEMÁTICA – EQUAÇÃO EXPONENCIAL 01 – 2014
1) Resolva as seguintes equações exponenciais:
a) 3x-5 = 271-x R=2 b) 101-x =
1
10
R= 2 c) 9x-2 = 27 R =
11
4
d) 52x-1 = 1 R =
1
2
e)
1
2
5






x
=
125
8
R= -2 f)
x



2


1
= 3 4 R= -
2
3
g) 101-4x = 0,001 R = 1 h) 6 . 7-x+2 = 294 R = 0 i) 2 .
3 2
1
4







x
= 4 R =
5
4
j) 4x = 3 32 R =
5
6
l) ( 0,2)x-2 = 1 R = 2 m)
1
3
2






x
=
1 2x
9
 R = -
4





1
3
n)
x  






4
1
3
= 9x+3 o) 52-x =
1
125
R = 5 p) 162x = 8x+2 R =
6
5
q) (0,5)2x = 21-3x R = 1 r) 82-x = (0,25)x+1 R = 8 s)
2
1
3
 






x
= 4 9 R =
5
2