Solve the equation. Round your answer to the nearest ten-thousandth. $20^{-5a}-6=37$  

• -0.2511

• -0.7522

• -0.3267

• -0.7907

Solve 256 = 16^5x+7

Solve for n:  25^n-4 = 5³ⁿ⁺¹

• n=7
• n=-9
• n=8
• n=1

Solve for x:
2^{3x + 1} = 32

• 0
• -1
• 5/3
• 4/3

• -4.614

• -4.236

• -5.307

• -0.334

• x=2

• x=1

• x=3

• x=-1

Solve for x:
5^2x = 5^-x

• 0
• -6
• 8
• 1

Solve the following exponential equation:
 $5^{-3x}=125$  

•  $x=-1$  

•  $x=-4$  

•  $x=-3$  

•  $x=1$  

Solve the following exponential equation:

  $4^{2x}=8^{x-2}$  

• x = 1

• x = -6

• x = -3

• x = -2