Single Logarithms
Write the following logarithm as a single logarithm:
log24 + log22 - log28
log21
Solve the following equation. Round to the nearest hundredth.
8n+1 = 3
-0.47
Solve each equation.
log 4x = -1
1/40
Solve each equation. Round your answer to the nearest hundredth.
2 ln (3x - 4) = 7
12.37
Use natural logarithm to solve the following equation. Round your answer to the nearest hundredth.
ex = 15
2.71
Write the following logarithm as a single logarithm:
2logx - 3logy
log x^2/y^3
Solve the following equation. Round to the nearest hundredth.
4n-2 = 3
2.79
Solve each equation.
4 log x = 4
10
Solve each equation. Round your answer to the nearest hundredth.
3 - 4 ln (8x + 1) = 12
-0.11
Use natural logarithm to solve the following equation. Round your answer to the nearest hundredth.
ex-4 = 2
4.69
Write the following logarithm as a single logarithm:
log63 - log66
log61/2
Solve the following equation. Round to the nearest hundredth.
52x = 20
0.93
Solve each equation.
log (x - 25) = 2
125
Solve each equation. Round your answer to the nearest hundredth.
ln x - ln 5 = -1
1.84
Use natural logarithm to solve the following equation. Round your answer to the nearest hundredth.
6 - e12x = 5.2
-0.02
Write the following logarithm as a single logarithm:
3(4logt2)
log t24
Solve the following equation. Round to the nearest hundredth.
152n-3 = 245
2.52
Solve each equation.
2 log (2x + 5) = 4
95/2
Solve each equation. Round your answer to the nearest hundredth.
ln (2x - 1)2 = 4
4.19
Use natural logarithm to solve the following equation. Round your answer to the nearest hundredth.
e(x/5) = 32
17.33
Write the following logarithm as a single logarithm:
log5y - 4(log5r + 2log5t)
log5y/(r^4t^8)
Solve the following equation. Round to the nearest hundredth.
4x - 5 = 12
2.04
Solve each equation.
3 log (1 - 2x) = 6
-99/2
Solve each equation. Round your answer to the nearest hundredth.
ln ex+5 = 17
12
Use natural logarithm to solve the following equation. Round your answer to the nearest hundredth.
5e6x+3 = 0.1
-1.15