How to find an exponent from a rational number

Practice Questions

PSAT Math › How to find an exponent from a rational number

Questions

10

1

Com_exp_1

Which of the following lists the above quantities from least to greatest?

2

Solve for .

$\log (x+3)+\log x=1$

3

Simplify:

$\sqrt[3]{x^{10}y^{8}z^{9}}$

4

If a piece of pie is cut into 3 sections, and each of those pieces is further cut into three sections, then those pieces are cut into three sections, how many (tiny) pieces of pie are there?

5

Solve for .

$2^{x}= 64$

6

Solve for .

$\log_{2}x=4$

7

Evaluate:

$\log 0.1=$

8

Solve for :

$\sqrt{x} -1= 4$

9

Solve for .

$\log _{9}x=\frac{1}{2}$

10

$\log 3=a$

and

$\log 5=b$

Find $\log 15$

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