Can someone check these for me?
Which of the following is an approximation to six decimal places of log{9}1,620?
a. 2.255273
b. 3.209515
c. 3.363417 (my choice)
d. 7.390181

2. Solve (10) 3^(x+3) to three decimal places.
a. -1.369 (my choice)
b. -2.387
c. -1.796
d. -2.169

3. Solve e^2x + 3e^x -28=0
a. x= In(-7) or x=In 4
b. x=In 4 (my choice)
c. x[In(-4) or x=In 7
d. x=In 7

Question

Can someone check these for me?
Which of the following is an approximation to six decimal places of log{9}1,620?
a. 2.255273
b. 3.209515
c. 3.363417 (my choice)
d. 7.390181

2. Solve (10) 3^(x+3) to three decimal places.
a. -1.369 (my choice)
b. -2.387
c. -1.796
d. -2.169

3. Solve e^2x + 3e^x -28=0
a. x= In(-7) or x=In 4
b. x=In 4 (my choice)
c. x[In(-4) or x=In 7
d. x=In 7

loser66 · Answer

problem 2 is unclear, so I cannot determine the solution
1), 3) are correct