# algebra 2

posted by .

Solve the equation. If necessary, round to thousandths.
3^(2x + 1) = 27

• algebra 2 -

3^?=27
3^3=27

drop the bases
2x+1=3
x=2

• algebra 2 -

I believe Capreeca is wrong on this one.
2x+1=3
2x=2
x=1

## Similar Questions

1. ### Math

say you have 4/13 and the decimal equivalent to it is 30.76923 how do I round 3 decimal places?
2. ### algebra 21

Solve the equation. If necessary, round to thousandths. 3^(2x + 1) = 27
3. ### Algebra 2

Solve each equation by graphing. Where necessary, round to the nearest hundredth x^4+2x-3= 0
4. ### Algebra 2

Solve each equation by graphing. Where necessary, round to the nearest hundredth -x^3+3x+4=0
5. ### Algebra 2

Solve each equation by graphing. Where necessary, round to the nearest hundredth -x^3+2x^2+1=0
6. ### College Algebra

Solve the equation. If necessary, round to the nearest thousandth. 5(2x-1)=10
7. ### Algebra

Use the quadratic formula to solve the equation. If necessary, round to the nearest hundredth. x² – 21 = –4x • 7, 3 • –7, 3 • 7, –3 • –7, –3
8. ### Algebra 2

what is the positive solution of the equation 3x^2 - 5x - 7 =0?
9. ### Algebra 2

what is the positive solution of the equation 1/2x^2 -3x =5?